Home / 87,377.80-120,585.73-49,149.38

Finding the Fourth Proportional to 87,377.80, 120,585.73 and 49,149.38

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Solution

The fourth proportional to 87,377.80, 120,585.73 and 49,149.38 is: 67,828.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,377.80 : 120,585.73 = 49,149.38 : x
  2. Step 2: Convert to fraction form
    87,377.80/120,585.73 = 49,149.38/x
  3. Step 3: Cross multiply
    87,377.80x = 120,585.73 × 49,149.38
  4. Step 4: Simplify right side
    87,377.80x = 5,926,713,866.35
  5. Step 5: Solve for x
    x = 5,926,713,866.35/87,377.80
  6. Step 6: Final answer
    x = 67,828.60

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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.