Home / 87,082.12-130,660.17-47,593.11

Finding the Fourth Proportional to 87,082.12, 130,660.17 and 47,593.11

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Solution

The fourth proportional to 87,082.12, 130,660.17 and 47,593.11 is: 71,409.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,082.12 : 130,660.17 = 47,593.11 : x
  2. Step 2: Convert to fraction form
    87,082.12/130,660.17 = 47,593.11/x
  3. Step 3: Cross multiply
    87,082.12x = 130,660.17 × 47,593.11
  4. Step 4: Simplify right side
    87,082.12x = 6,218,523,843.43
  5. Step 5: Solve for x
    x = 6,218,523,843.43/87,082.12
  6. Step 6: Final answer
    x = 71,409.88

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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.