Home / 87,072.88-120,187.92-49,372.24

Finding the Fourth Proportional to 87,072.88, 120,187.92 and 49,372.24

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Solution

The fourth proportional to 87,072.88, 120,187.92 and 49,372.24 is: 68,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,072.88 : 120,187.92 = 49,372.24 : x
  2. Step 2: Convert to fraction form
    87,072.88/120,187.92 = 49,372.24/x
  3. Step 3: Cross multiply
    87,072.88x = 120,187.92 × 49,372.24
  4. Step 4: Simplify right side
    87,072.88x = 5,933,946,831.34
  5. Step 5: Solve for x
    x = 5,933,946,831.34/87,072.88
  6. Step 6: Final answer
    x = 68,149.20

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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.