Home / 87,720.89-131,589.66-24,541.02

Finding the Fourth Proportional to 87,720.89, 131,589.66 and 24,541.02

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Solution

The fourth proportional to 87,720.89, 131,589.66 and 24,541.02 is: 36,813.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,720.89 : 131,589.66 = 24,541.02 : x
  2. Step 2: Convert to fraction form
    87,720.89/131,589.66 = 24,541.02/x
  3. Step 3: Cross multiply
    87,720.89x = 131,589.66 × 24,541.02
  4. Step 4: Simplify right side
    87,720.89x = 3,229,344,477.85
  5. Step 5: Solve for x
    x = 3,229,344,477.85/87,720.89
  6. Step 6: Final answer
    x = 36,813.86

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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.