Home / 87,076.56-120,177.52-49,353.24

Finding the Fourth Proportional to 87,076.56, 120,177.52 and 49,353.24

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Solution

The fourth proportional to 87,076.56, 120,177.52 and 49,353.24 is: 68,114.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,076.56 : 120,177.52 = 49,353.24 : x
  2. Step 2: Convert to fraction form
    87,076.56/120,177.52 = 49,353.24/x
  3. Step 3: Cross multiply
    87,076.56x = 120,177.52 × 49,353.24
  4. Step 4: Simplify right side
    87,076.56x = 5,931,149,987.16
  5. Step 5: Solve for x
    x = 5,931,149,987.16/87,076.56
  6. Step 6: Final answer
    x = 68,114.20

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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.