Home / 72,581.97-108,770.85-57,724.95

Finding the Fourth Proportional to 72,581.97, 108,770.85 and 57,724.95

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Solution

The fourth proportional to 72,581.97, 108,770.85 and 57,724.95 is: 86,506.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,581.97 : 108,770.85 = 57,724.95 : x
  2. Step 2: Convert to fraction form
    72,581.97/108,770.85 = 57,724.95/x
  3. Step 3: Cross multiply
    72,581.97x = 108,770.85 × 57,724.95
  4. Step 4: Simplify right side
    72,581.97x = 6,278,791,877.71
  5. Step 5: Solve for x
    x = 6,278,791,877.71/72,581.97
  6. Step 6: Final answer
    x = 86,506.22

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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.