Home / 88,729.72-133,115.76-29,565.90

Finding the Fourth Proportional to 88,729.72, 133,115.76 and 29,565.90

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Solution

The fourth proportional to 88,729.72, 133,115.76 and 29,565.90 is: 44,355.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,729.72 : 133,115.76 = 29,565.90 : x
  2. Step 2: Convert to fraction form
    88,729.72/133,115.76 = 29,565.90/x
  3. Step 3: Cross multiply
    88,729.72x = 133,115.76 × 29,565.90
  4. Step 4: Simplify right side
    88,729.72x = 3,935,687,248.58
  5. Step 5: Solve for x
    x = 3,935,687,248.58/88,729.72
  6. Step 6: Final answer
    x = 44,355.91

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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.