Home / 87,748.46-121,092.42-47,462.18

Finding the Fourth Proportional to 87,748.46, 121,092.42 and 47,462.18

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Solution

The fourth proportional to 87,748.46, 121,092.42 and 47,462.18 is: 65,497.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,748.46 : 121,092.42 = 47,462.18 : x
  2. Step 2: Convert to fraction form
    87,748.46/121,092.42 = 47,462.18/x
  3. Step 3: Cross multiply
    87,748.46x = 121,092.42 × 47,462.18
  4. Step 4: Simplify right side
    87,748.46x = 5,747,310,234.68
  5. Step 5: Solve for x
    x = 5,747,310,234.68/87,748.46
  6. Step 6: Final answer
    x = 65,497.56

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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.