Home / 87,704.03-131,569.79-28,525.83

Finding the Fourth Proportional to 87,704.03, 131,569.79 and 28,525.83

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Solution

The fourth proportional to 87,704.03, 131,569.79 and 28,525.83 is: 42,793.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,704.03 : 131,569.79 = 28,525.83 : x
  2. Step 2: Convert to fraction form
    87,704.03/131,569.79 = 28,525.83/x
  3. Step 3: Cross multiply
    87,704.03x = 131,569.79 × 28,525.83
  4. Step 4: Simplify right side
    87,704.03x = 3,753,137,462.68
  5. Step 5: Solve for x
    x = 3,753,137,462.68/87,704.03
  6. Step 6: Final answer
    x = 42,793.22

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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.