Home / 87,625.29-120,923.67-49,377.51

Finding the Fourth Proportional to 87,625.29, 120,923.67 and 49,377.51

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Solution

The fourth proportional to 87,625.29, 120,923.67 and 49,377.51 is: 68,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,625.29 : 120,923.67 = 49,377.51 : x
  2. Step 2: Convert to fraction form
    87,625.29/120,923.67 = 49,377.51/x
  3. Step 3: Cross multiply
    87,625.29x = 120,923.67 × 49,377.51
  4. Step 4: Simplify right side
    87,625.29x = 5,970,910,010.44
  5. Step 5: Solve for x
    x = 5,970,910,010.44/87,625.29
  6. Step 6: Final answer
    x = 68,141.40

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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.