Home / 87,553.74-131,120.11-49,999.98

Finding the Fourth Proportional to 87,553.74, 131,120.11 and 49,999.98

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Solution

The fourth proportional to 87,553.74, 131,120.11 and 49,999.98 is: 74,879.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,553.74 : 131,120.11 = 49,999.98 : x
  2. Step 2: Convert to fraction form
    87,553.74/131,120.11 = 49,999.98/x
  3. Step 3: Cross multiply
    87,553.74x = 131,120.11 × 49,999.98
  4. Step 4: Simplify right side
    87,553.74x = 6,556,002,627.60
  5. Step 5: Solve for x
    x = 6,556,002,627.60/87,553.74
  6. Step 6: Final answer
    x = 74,879.76

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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.