Home / 87,253.56-120,397.80-49,520.52

Finding the Fourth Proportional to 87,253.56, 120,397.80 and 49,520.52

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Solution

The fourth proportional to 87,253.56, 120,397.80 and 49,520.52 is: 68,331.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,253.56 : 120,397.80 = 49,520.52 : x
  2. Step 2: Convert to fraction form
    87,253.56/120,397.80 = 49,520.52/x
  3. Step 3: Cross multiply
    87,253.56x = 120,397.80 × 49,520.52
  4. Step 4: Simplify right side
    87,253.56x = 5,962,161,662.86
  5. Step 5: Solve for x
    x = 5,962,161,662.86/87,253.56
  6. Step 6: Final answer
    x = 68,331.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.