Home / 87,512.22-120,764.06-49,273.74

Finding the Fourth Proportional to 87,512.22, 120,764.06 and 49,273.74

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Solution

The fourth proportional to 87,512.22, 120,764.06 and 49,273.74 is: 67,996.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,512.22 : 120,764.06 = 49,273.74 : x
  2. Step 2: Convert to fraction form
    87,512.22/120,764.06 = 49,273.74/x
  3. Step 3: Cross multiply
    87,512.22x = 120,764.06 × 49,273.74
  4. Step 4: Simplify right side
    87,512.22x = 5,950,496,893.78
  5. Step 5: Solve for x
    x = 5,950,496,893.78/87,512.22
  6. Step 6: Final answer
    x = 67,996.18

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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.