what number must be added to the number 30,41,63,85 so that the resultant numbers are in proportion?
Options:
A. 6
B. 4
C. 5
D. 3
Answers
Answered by
5
Answer:
3
Step-by-step explanation:
=) (30 + x) / (41 + x ) = (63 + x) / (85 +x)
=) By cross multiplication we get,
=) (30 + x ) (85+x) = (63 + x ) ( 41 + x)
=) 115x + 2550 = 104x + 2583
=) 115x - 104x = 2583 - 2550
=) 11x = 33
=) x = 33/11
=) x = 3
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Answered by
1
Answer:
3 is your required answer
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