Home / 87,382.98-120,587.38-49,142.52

Finding the Fourth Proportional to 87,382.98, 120,587.38 and 49,142.52

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Solution

The fourth proportional to 87,382.98, 120,587.38 and 49,142.52 is: 67,816.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,382.98 : 120,587.38 = 49,142.52 : x
  2. Step 2: Convert to fraction form
    87,382.98/120,587.38 = 49,142.52/x
  3. Step 3: Cross multiply
    87,382.98x = 120,587.38 × 49,142.52
  4. Step 4: Simplify right side
    87,382.98x = 5,925,967,733.40
  5. Step 5: Solve for x
    x = 5,925,967,733.40/87,382.98
  6. Step 6: Final answer
    x = 67,816.04

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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.