Home / 87,253.44-120,405.60-49,522.56

Finding the Fourth Proportional to 87,253.44, 120,405.60 and 49,522.56

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Solution

The fourth proportional to 87,253.44, 120,405.60 and 49,522.56 is: 68,338.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,253.44 : 120,405.60 = 49,522.56 : x
  2. Step 2: Convert to fraction form
    87,253.44/120,405.60 = 49,522.56/x
  3. Step 3: Cross multiply
    87,253.44x = 120,405.60 × 49,522.56
  4. Step 4: Simplify right side
    87,253.44x = 5,962,793,550.34
  5. Step 5: Solve for x
    x = 5,962,793,550.34/87,253.44
  6. Step 6: Final answer
    x = 68,338.78

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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.