Home / 83,572.19-115,311.87-49,591.73

Finding the Fourth Proportional to 83,572.19, 115,311.87 and 49,591.73

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Solution

The fourth proportional to 83,572.19, 115,311.87 and 49,591.73 is: 68,426.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,572.19 : 115,311.87 = 49,591.73 : x
  2. Step 2: Convert to fraction form
    83,572.19/115,311.87 = 49,591.73/x
  3. Step 3: Cross multiply
    83,572.19x = 115,311.87 × 49,591.73
  4. Step 4: Simplify right side
    83,572.19x = 5,718,514,546.28
  5. Step 5: Solve for x
    x = 5,718,514,546.28/83,572.19
  6. Step 6: Final answer
    x = 68,426.05

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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.