Home / 87,854.04-131,789.17-28,690.02

Finding the Fourth Proportional to 87,854.04, 131,789.17 and 28,690.02

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Solution

The fourth proportional to 87,854.04, 131,789.17 and 28,690.02 is: 43,037.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,854.04 : 131,789.17 = 28,690.02 : x
  2. Step 2: Convert to fraction form
    87,854.04/131,789.17 = 28,690.02/x
  3. Step 3: Cross multiply
    87,854.04x = 131,789.17 × 28,690.02
  4. Step 4: Simplify right side
    87,854.04x = 3,781,034,109.11
  5. Step 5: Solve for x
    x = 3,781,034,109.11/87,854.04
  6. Step 6: Final answer
    x = 43,037.68

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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.