Home / 87,613.47-120,906.56-47,327.24

Finding the Fourth Proportional to 87,613.47, 120,906.56 and 47,327.24

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Solution

The fourth proportional to 87,613.47, 120,906.56 and 47,327.24 is: 65,311.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,613.47 : 120,906.56 = 47,327.24 : x
  2. Step 2: Convert to fraction form
    87,613.47/120,906.56 = 47,327.24/x
  3. Step 3: Cross multiply
    87,613.47x = 120,906.56 × 47,327.24
  4. Step 4: Simplify right side
    87,613.47x = 5,722,172,941.53
  5. Step 5: Solve for x
    x = 5,722,172,941.53/87,613.47
  6. Step 6: Final answer
    x = 65,311.57

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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.