Home / 83,424.34-125,049.46-41,278.12

Finding the Fourth Proportional to 83,424.34, 125,049.46 and 41,278.12

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Solution

The fourth proportional to 83,424.34, 125,049.46 and 41,278.12 is: 61,874.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,424.34 : 125,049.46 = 41,278.12 : x
  2. Step 2: Convert to fraction form
    83,424.34/125,049.46 = 41,278.12/x
  3. Step 3: Cross multiply
    83,424.34x = 125,049.46 × 41,278.12
  4. Step 4: Simplify right side
    83,424.34x = 5,161,805,990.57
  5. Step 5: Solve for x
    x = 5,161,805,990.57/83,424.34
  6. Step 6: Final answer
    x = 61,874.10

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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.