Home / 87,400.88-120,613.24-49,674.16

Finding the Fourth Proportional to 87,400.88, 120,613.24 and 49,674.16

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Solution

The fourth proportional to 87,400.88, 120,613.24 and 49,674.16 is: 68,550.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,400.88 : 120,613.24 = 49,674.16 : x
  2. Step 2: Convert to fraction form
    87,400.88/120,613.24 = 49,674.16/x
  3. Step 3: Cross multiply
    87,400.88x = 120,613.24 × 49,674.16
  4. Step 4: Simplify right side
    87,400.88x = 5,991,361,381.88
  5. Step 5: Solve for x
    x = 5,991,361,381.88/87,400.88
  6. Step 6: Final answer
    x = 68,550.36

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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.