Finding the Fourth Proportional to 86,755.92, 130,097.16 and 27,575.70
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Solution
The fourth proportional to 86,755.92, 130,097.16 and 27,575.70 is: 41,351.88
Step by Step Solution
- Step 1: Write the proportion equation
86,755.92 : 130,097.16 = 27,575.70 : x - Step 2: Convert to fraction form
86,755.92/130,097.16 = 27,575.70/x - Step 3: Cross multiply
86,755.92x = 130,097.16 × 27,575.70 - Step 4: Simplify right side
86,755.92x = 3,587,520,255.01 - Step 5: Solve for x
x = 3,587,520,255.01/86,755.92 - Step 6: Final answer
x = 41,351.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.