Home / 68,776.11-103,179.65-24,402.78

Finding the Fourth Proportional to 68,776.11, 103,179.65 and 24,402.78

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Solution

The fourth proportional to 68,776.11, 103,179.65 and 24,402.78 is: 36,609.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,776.11 : 103,179.65 = 24,402.78 : x
  2. Step 2: Convert to fraction form
    68,776.11/103,179.65 = 24,402.78/x
  3. Step 3: Cross multiply
    68,776.11x = 103,179.65 × 24,402.78
  4. Step 4: Simplify right side
    68,776.11x = 2,517,870,177.41
  5. Step 5: Solve for x
    x = 2,517,870,177.41/68,776.11
  6. Step 6: Final answer
    x = 36,609.66

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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.