Home / 88,642.39-132,988.19-49,227.18

Finding the Fourth Proportional to 88,642.39, 132,988.19 and 49,227.18

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Solution

The fourth proportional to 88,642.39, 132,988.19 and 49,227.18 is: 73,854.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,642.39 : 132,988.19 = 49,227.18 : x
  2. Step 2: Convert to fraction form
    88,642.39/132,988.19 = 49,227.18/x
  3. Step 3: Cross multiply
    88,642.39x = 132,988.19 × 49,227.18
  4. Step 4: Simplify right side
    88,642.39x = 6,546,633,320.87
  5. Step 5: Solve for x
    x = 6,546,633,320.87/88,642.39
  6. Step 6: Final answer
    x = 73,854.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.