Finding the Fourth Proportional to 97,859.60, 135,054.60 and 55,425.68
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Solution
The fourth proportional to 97,859.60, 135,054.60 and 55,425.68 is: 76,492.17
Step by Step Solution
- Step 1: Write the proportion equation
97,859.60 : 135,054.60 = 55,425.68 : x - Step 2: Convert to fraction form
97,859.60/135,054.60 = 55,425.68/x - Step 3: Cross multiply
97,859.60x = 135,054.60 × 55,425.68 - Step 4: Simplify right side
97,859.60x = 7,485,493,042.13 - Step 5: Solve for x
x = 7,485,493,042.13/97,859.60 - Step 6: Final answer
x = 76,492.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.