Home / 87,753.74-131,652.07-28,589.72

Finding the Fourth Proportional to 87,753.74, 131,652.07 and 28,589.72

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Solution

The fourth proportional to 87,753.74, 131,652.07 and 28,589.72 is: 42,891.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,753.74 : 131,652.07 = 28,589.72 : x
  2. Step 2: Convert to fraction form
    87,753.74/131,652.07 = 28,589.72/x
  3. Step 3: Cross multiply
    87,753.74x = 131,652.07 × 28,589.72
  4. Step 4: Simplify right side
    87,753.74x = 3,763,895,088.99
  5. Step 5: Solve for x
    x = 3,763,895,088.99/87,753.74
  6. Step 6: Final answer
    x = 42,891.57

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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.