Home / 73,251.28-109,763.25-50,805.78

Finding the Fourth Proportional to 73,251.28, 109,763.25 and 50,805.78

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Solution

The fourth proportional to 73,251.28, 109,763.25 and 50,805.78 is: 76,129.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,251.28 : 109,763.25 = 50,805.78 : x
  2. Step 2: Convert to fraction form
    73,251.28/109,763.25 = 50,805.78/x
  3. Step 3: Cross multiply
    73,251.28x = 109,763.25 × 50,805.78
  4. Step 4: Simplify right side
    73,251.28x = 5,576,607,531.59
  5. Step 5: Solve for x
    x = 5,576,607,531.59/73,251.28
  6. Step 6: Final answer
    x = 76,129.83

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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.