Home / 83,422.08-125,133.92-21,092.56

Finding the Fourth Proportional to 83,422.08, 125,133.92 and 21,092.56

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Solution

The fourth proportional to 83,422.08, 125,133.92 and 21,092.56 is: 31,639.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,422.08 : 125,133.92 = 21,092.56 : x
  2. Step 2: Convert to fraction form
    83,422.08/125,133.92 = 21,092.56/x
  3. Step 3: Cross multiply
    83,422.08x = 125,133.92 × 21,092.56
  4. Step 4: Simplify right side
    83,422.08x = 2,639,394,715.64
  5. Step 5: Solve for x
    x = 2,639,394,715.64/83,422.08
  6. Step 6: Final answer
    x = 31,639.04

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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.