Home / 87,359.22-120,521.52-49,110

Finding the Fourth Proportional to 87,359.22, 120,521.52 and 49,110

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Solution

The fourth proportional to 87,359.22, 120,521.52 and 49,110 is: 67,752.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,359.22 : 120,521.52 = 49,110 : x
  2. Step 2: Convert to fraction form
    87,359.22/120,521.52 = 49,110/x
  3. Step 3: Cross multiply
    87,359.22x = 120,521.52 × 49,110
  4. Step 4: Simplify right side
    87,359.22x = 5,918,811,847.20
  5. Step 5: Solve for x
    x = 5,918,811,847.20/87,359.22
  6. Step 6: Final answer
    x = 67,752.57

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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.