Home / 87,424.26-131,136.17-37,471.97

Finding the Fourth Proportional to 87,424.26, 131,136.17 and 37,471.97

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Solution

The fourth proportional to 87,424.26, 131,136.17 and 37,471.97 is: 56,207.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,424.26 : 131,136.17 = 37,471.97 : x
  2. Step 2: Convert to fraction form
    87,424.26/131,136.17 = 37,471.97/x
  3. Step 3: Cross multiply
    87,424.26x = 131,136.17 × 37,471.97
  4. Step 4: Simplify right side
    87,424.26x = 4,913,929,785.11
  5. Step 5: Solve for x
    x = 4,913,929,785.11/87,424.26
  6. Step 6: Final answer
    x = 56,207.85

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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.