Home / 83,432.16-115,246.80-62,174.52

Finding the Fourth Proportional to 83,432.16, 115,246.80 and 62,174.52

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Solution

The fourth proportional to 83,432.16, 115,246.80 and 62,174.52 is: 85,883.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,432.16 : 115,246.80 = 62,174.52 : x
  2. Step 2: Convert to fraction form
    83,432.16/115,246.80 = 62,174.52/x
  3. Step 3: Cross multiply
    83,432.16x = 115,246.80 × 62,174.52
  4. Step 4: Simplify right side
    83,432.16x = 7,165,414,471.54
  5. Step 5: Solve for x
    x = 7,165,414,471.54/83,432.16
  6. Step 6: Final answer
    x = 85,883.12

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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.