Home / 87,414.93-131,008.59-63,479.70

Finding the Fourth Proportional to 87,414.93, 131,008.59 and 63,479.70

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Solution

The fourth proportional to 87,414.93, 131,008.59 and 63,479.70 is: 95,136.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,414.93 : 131,008.59 = 63,479.70 : x
  2. Step 2: Convert to fraction form
    87,414.93/131,008.59 = 63,479.70/x
  3. Step 3: Cross multiply
    87,414.93x = 131,008.59 × 63,479.70
  4. Step 4: Simplify right side
    87,414.93x = 8,316,385,990.62
  5. Step 5: Solve for x
    x = 8,316,385,990.62/87,414.93
  6. Step 6: Final answer
    x = 95,136.91

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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.