Home / 87,514.50-120,760.02-49,273.06

Finding the Fourth Proportional to 87,514.50, 120,760.02 and 49,273.06

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Solution

The fourth proportional to 87,514.50, 120,760.02 and 49,273.06 is: 67,991.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,514.50 : 120,760.02 = 49,273.06 : x
  2. Step 2: Convert to fraction form
    87,514.50/120,760.02 = 49,273.06/x
  3. Step 3: Cross multiply
    87,514.50x = 120,760.02 × 49,273.06
  4. Step 4: Simplify right side
    87,514.50x = 5,950,215,635.59
  5. Step 5: Solve for x
    x = 5,950,215,635.59/87,514.50
  6. Step 6: Final answer
    x = 67,991.20

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1.5x scale

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.