Question

24 : 90 :: 56 : ?
A) 120 B) 122 C) 118 D) 124

Answer 1

Answer:

Step-by-step explanation:

24:90::56:x

24 and x are extremes and 90 and 56 are means

Product of extremes=product of means

24*x = 90*56

24x = 5040

x = 5040/24

x=210

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Answer 2

24:90::56:210

Step-by-step explanation:

Let $24:90::56:x$

When a,b,c and d are in proportion

Then, product of a and d=Product of b and c

Let a=24,b=90,c=56, d=x

Using the formula

$24\times x=90\times 56$

$x=\frac{90\times 56}{24}$

By using division property of equality

$x=\frac{90\times 7}{3}$

By using simplification

$x=30\times 7$

By using simplification

$x=210$

By using simplification

Hence, the value of d=210

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https://brainly.in/question/2389452:Answered by Mindfulmaisel