Home / 76,926.11-106,158.09-42,470.87

Finding the Fourth Proportional to 76,926.11, 106,158.09 and 42,470.87

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Solution

The fourth proportional to 76,926.11, 106,158.09 and 42,470.87 is: 58,609.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,926.11 : 106,158.09 = 42,470.87 : x
  2. Step 2: Convert to fraction form
    76,926.11/106,158.09 = 42,470.87/x
  3. Step 3: Cross multiply
    76,926.11x = 106,158.09 × 42,470.87
  4. Step 4: Simplify right side
    76,926.11x = 4,508,626,545.97
  5. Step 5: Solve for x
    x = 4,508,626,545.97/76,926.11
  6. Step 6: Final answer
    x = 58,609.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.