Home / 87,553.52-131,119.72-49,999.76

Finding the Fourth Proportional to 87,553.52, 131,119.72 and 49,999.76

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Solution

The fourth proportional to 87,553.52, 131,119.72 and 49,999.76 is: 74,879.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,553.52 : 131,119.72 = 49,999.76 : x
  2. Step 2: Convert to fraction form
    87,553.52/131,119.72 = 49,999.76/x
  3. Step 3: Cross multiply
    87,553.52x = 131,119.72 × 49,999.76
  4. Step 4: Simplify right side
    87,553.52x = 6,555,954,531.27
  5. Step 5: Solve for x
    x = 6,555,954,531.27/87,553.52
  6. Step 6: Final answer
    x = 74,879.39

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1.5x scale

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.