Home / 87,229.44-120,372.48-49,498.56

Finding the Fourth Proportional to 87,229.44, 120,372.48 and 49,498.56

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Solution

The fourth proportional to 87,229.44, 120,372.48 and 49,498.56 is: 68,305.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,229.44 : 120,372.48 = 49,498.56 : x
  2. Step 2: Convert to fraction form
    87,229.44/120,372.48 = 49,498.56/x
  3. Step 3: Cross multiply
    87,229.44x = 120,372.48 × 49,498.56
  4. Step 4: Simplify right side
    87,229.44x = 5,958,264,423.63
  5. Step 5: Solve for x
    x = 5,958,264,423.63/87,229.44
  6. Step 6: Final answer
    x = 68,305.66

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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.