Home / 83,817.76-125,767.68-39,442.72

Finding the Fourth Proportional to 83,817.76, 125,767.68 and 39,442.72

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Solution

The fourth proportional to 83,817.76, 125,767.68 and 39,442.72 is: 59,183.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,817.76 : 125,767.68 = 39,442.72 : x
  2. Step 2: Convert to fraction form
    83,817.76/125,767.68 = 39,442.72/x
  3. Step 3: Cross multiply
    83,817.76x = 125,767.68 × 39,442.72
  4. Step 4: Simplify right side
    83,817.76x = 4,960,619,387.29
  5. Step 5: Solve for x
    x = 4,960,619,387.29/83,817.76
  6. Step 6: Final answer
    x = 59,183.39

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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.