Home / 71,233.12-98,301.92-49,754.08

Finding the Fourth Proportional to 71,233.12, 98,301.92 and 49,754.08

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Solution

The fourth proportional to 71,233.12, 98,301.92 and 49,754.08 is: 68,660.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,233.12 : 98,301.92 = 49,754.08 : x
  2. Step 2: Convert to fraction form
    71,233.12/98,301.92 = 49,754.08/x
  3. Step 3: Cross multiply
    71,233.12x = 98,301.92 × 49,754.08
  4. Step 4: Simplify right side
    71,233.12x = 4,890,921,591.83
  5. Step 5: Solve for x
    x = 4,890,921,591.83/71,233.12
  6. Step 6: Final answer
    x = 68,660.78

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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.