Home / 45,239.00-67,781.55-29,419.85

Finding the Fourth Proportional to 45,239.00, 67,781.55 and 29,419.85

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Solution

The fourth proportional to 45,239.00, 67,781.55 and 29,419.85 is: 44,079.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,239.00 : 67,781.55 = 29,419.85 : x
  2. Step 2: Convert to fraction form
    45,239.00/67,781.55 = 29,419.85/x
  3. Step 3: Cross multiply
    45,239.00x = 67,781.55 × 29,419.85
  4. Step 4: Simplify right side
    45,239.00x = 1,994,122,694.86
  5. Step 5: Solve for x
    x = 1,994,122,694.86/45,239.00
  6. Step 6: Final answer
    x = 44,079.73

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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.