Home / 83,218.46-124,859.21-49,961.75

Finding the Fourth Proportional to 83,218.46, 124,859.21 and 49,961.75

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Solution

The fourth proportional to 83,218.46, 124,859.21 and 49,961.75 is: 74,961.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,218.46 : 124,859.21 = 49,961.75 : x
  2. Step 2: Convert to fraction form
    83,218.46/124,859.21 = 49,961.75/x
  3. Step 3: Cross multiply
    83,218.46x = 124,859.21 × 49,961.75
  4. Step 4: Simplify right side
    83,218.46x = 6,238,183,761.11
  5. Step 5: Solve for x
    x = 6,238,183,761.11/83,218.46
  6. Step 6: Final answer
    x = 74,961.54

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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.