Home / 48,115.82-72,502.24-39,542.78

Finding the Fourth Proportional to 48,115.82, 72,502.24 and 39,542.78

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Solution

The fourth proportional to 48,115.82, 72,502.24 and 39,542.78 is: 59,584.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,115.82 : 72,502.24 = 39,542.78 : x
  2. Step 2: Convert to fraction form
    48,115.82/72,502.24 = 39,542.78/x
  3. Step 3: Cross multiply
    48,115.82x = 72,502.24 × 39,542.78
  4. Step 4: Simplify right side
    48,115.82x = 2,866,940,282.37
  5. Step 5: Solve for x
    x = 2,866,940,282.37/48,115.82
  6. Step 6: Final answer
    x = 59,584.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.