Home / 87,506.60-131,391.11-50,108.90

Finding the Fourth Proportional to 87,506.60, 131,391.11 and 50,108.90

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Solution

The fourth proportional to 87,506.60, 131,391.11 and 50,108.90 is: 75,238.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,506.60 : 131,391.11 = 50,108.90 : x
  2. Step 2: Convert to fraction form
    87,506.60/131,391.11 = 50,108.90/x
  3. Step 3: Cross multiply
    87,506.60x = 131,391.11 × 50,108.90
  4. Step 4: Simplify right side
    87,506.60x = 6,583,863,460.20
  5. Step 5: Solve for x
    x = 6,583,863,460.20/87,506.60
  6. Step 6: Final answer
    x = 75,238.48

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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.