Home / 72,281.03-108,359.17-34,789.50

Finding the Fourth Proportional to 72,281.03, 108,359.17 and 34,789.50

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Solution

The fourth proportional to 72,281.03, 108,359.17 and 34,789.50 is: 52,154.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,281.03 : 108,359.17 = 34,789.50 : x
  2. Step 2: Convert to fraction form
    72,281.03/108,359.17 = 34,789.50/x
  3. Step 3: Cross multiply
    72,281.03x = 108,359.17 × 34,789.50
  4. Step 4: Simplify right side
    72,281.03x = 3,769,761,257.74
  5. Step 5: Solve for x
    x = 3,769,761,257.74/72,281.03
  6. Step 6: Final answer
    x = 52,154.23

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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.