Home / 87,613.56-120,906.62-47,327.31

Finding the Fourth Proportional to 87,613.56, 120,906.62 and 47,327.31

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Solution

The fourth proportional to 87,613.56, 120,906.62 and 47,327.31 is: 65,311.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,613.56 : 120,906.62 = 47,327.31 : x
  2. Step 2: Convert to fraction form
    87,613.56/120,906.62 = 47,327.31/x
  3. Step 3: Cross multiply
    87,613.56x = 120,906.62 × 47,327.31
  4. Step 4: Simplify right side
    87,613.56x = 5,722,184,849.16
  5. Step 5: Solve for x
    x = 5,722,184,849.16/87,613.56
  6. Step 6: Final answer
    x = 65,311.63

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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.