Home / 83,701.11-125,444.90-39,229.89

Finding the Fourth Proportional to 83,701.11, 125,444.90 and 39,229.89

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Solution

The fourth proportional to 83,701.11, 125,444.90 and 39,229.89 is: 58,794.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,701.11 : 125,444.90 = 39,229.89 : x
  2. Step 2: Convert to fraction form
    83,701.11/125,444.90 = 39,229.89/x
  3. Step 3: Cross multiply
    83,701.11x = 125,444.90 × 39,229.89
  4. Step 4: Simplify right side
    83,701.11x = 4,921,189,255.72
  5. Step 5: Solve for x
    x = 4,921,189,255.72/83,701.11
  6. Step 6: Final answer
    x = 58,794.79

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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.