Question

Fourth proportion of 60,108,25

Answer 1

Step-by-step explanation:

Let the fourth proportional be X

60:108 :: 25: X

As product of means= product of extremes

108×25= 60×X

2700 = 60X

X= 2700/60

= 45

The fourth proportional is 45

To check whether the answer is right

we know that

product of means=product of extremes

108×25=60×45

2700=2700

So the fourth proportional is 45

Hence proved

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