Question

If 20,30,x,90 are in proportion, then x=

Answer 1

Answer:

x = 60

Step-by-step explanation:

They are in proportion, then we have,

$\frac{20}{30} = \frac{x}{90}$

$\frac{2}{3} = \frac{x}{90}$

$3x = 2 \times 90$

$x = \frac{180}{3}$

$x = 60$

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