Home / 87,902.28-131,857.07-25,572.78

Finding the Fourth Proportional to 87,902.28, 131,857.07 and 25,572.78

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Solution

The fourth proportional to 87,902.28, 131,857.07 and 25,572.78 is: 38,360.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,902.28 : 131,857.07 = 25,572.78 : x
  2. Step 2: Convert to fraction form
    87,902.28/131,857.07 = 25,572.78/x
  3. Step 3: Cross multiply
    87,902.28x = 131,857.07 × 25,572.78
  4. Step 4: Simplify right side
    87,902.28x = 3,371,951,842.55
  5. Step 5: Solve for x
    x = 3,371,951,842.55/87,902.28
  6. Step 6: Final answer
    x = 38,360.23

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1.5x scale

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.