Question

81 : 27 : : 93 : ?

30
27
29
31​

Answer 1

Answer:

31 is your answer

!! I Hope It Would be Helpful !!

Answer 2

81 : 27 : : 93 : 31

The fourth proportion is 31.

The last option 31 is correct

Given :

The proportion 81 : 27 : : 93 : ?

To find :

We need to find the fourth proportion

Solution :

Let 81 : 27 : : 93 : b

b is the fourth proportion

81 : 27 : : 93 : b

Here 81 and b are the extremes.

Hence, in terms of fraction we can say,

=> 81 b = 27 × 93

=> b = (27 × 93)/81

=> b = 2511 /81

=> b = 31

Hence, the fourth proportion is 31.

81 : 27 : : 93 : 31

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