Home / 87,753.38-131,147.10-64,110.08

Finding the Fourth Proportional to 87,753.38, 131,147.10 and 64,110.08

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Solution

The fourth proportional to 87,753.38, 131,147.10 and 64,110.08 is: 95,812.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,753.38 : 131,147.10 = 64,110.08 : x
  2. Step 2: Convert to fraction form
    87,753.38/131,147.10 = 64,110.08/x
  3. Step 3: Cross multiply
    87,753.38x = 131,147.10 × 64,110.08
  4. Step 4: Simplify right side
    87,753.38x = 8,407,851,400.64
  5. Step 5: Solve for x
    x = 8,407,851,400.64/87,753.38
  6. Step 6: Final answer
    x = 95,812.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.