Home / 83,576.85-125,362.03-21,248.97

Finding the Fourth Proportional to 83,576.85, 125,362.03 and 21,248.97

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Solution

The fourth proportional to 83,576.85, 125,362.03 and 21,248.97 is: 31,872.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,576.85 : 125,362.03 = 21,248.97 : x
  2. Step 2: Convert to fraction form
    83,576.85/125,362.03 = 21,248.97/x
  3. Step 3: Cross multiply
    83,576.85x = 125,362.03 × 21,248.97
  4. Step 4: Simplify right side
    83,576.85x = 2,663,814,014.61
  5. Step 5: Solve for x
    x = 2,663,814,014.61/83,576.85
  6. Step 6: Final answer
    x = 31,872.63

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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.