Home / 83,812.12-125,691.48-27,641.72

Finding the Fourth Proportional to 83,812.12, 125,691.48 and 27,641.72

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Solution

The fourth proportional to 83,812.12, 125,691.48 and 27,641.72 is: 41,453.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,812.12 : 125,691.48 = 27,641.72 : x
  2. Step 2: Convert to fraction form
    83,812.12/125,691.48 = 27,641.72/x
  3. Step 3: Cross multiply
    83,812.12x = 125,691.48 × 27,641.72
  4. Step 4: Simplify right side
    83,812.12x = 3,474,329,010.77
  5. Step 5: Solve for x
    x = 3,474,329,010.77/83,812.12
  6. Step 6: Final answer
    x = 41,453.78

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1.5x scale

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.