Home / 87,488.22-131,022.10-49,934.44

Finding the Fourth Proportional to 87,488.22, 131,022.10 and 49,934.44

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Solution

The fourth proportional to 87,488.22, 131,022.10 and 49,934.44 is: 74,781.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,488.22 : 131,022.10 = 49,934.44 : x
  2. Step 2: Convert to fraction form
    87,488.22/131,022.10 = 49,934.44/x
  3. Step 3: Cross multiply
    87,488.22x = 131,022.10 × 49,934.44
  4. Step 4: Simplify right side
    87,488.22x = 6,542,514,738.73
  5. Step 5: Solve for x
    x = 6,542,514,738.73/87,488.22
  6. Step 6: Final answer
    x = 74,781.66

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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.