Finding the Fourth Proportional to 95,988.20, 132,460.74 and 53,553.92
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Solution
The fourth proportional to 95,988.20, 132,460.74 and 53,553.92 is: 73,902.75
Step by Step Solution
- Step 1: Write the proportion equation
95,988.20 : 132,460.74 = 53,553.92 : x - Step 2: Convert to fraction form
95,988.20/132,460.74 = 53,553.92/x - Step 3: Cross multiply
95,988.20x = 132,460.74 × 53,553.92 - Step 4: Simplify right side
95,988.20x = 7,093,791,873.10 - Step 5: Solve for x
x = 7,093,791,873.10/95,988.20 - Step 6: Final answer
x = 73,902.75
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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.