Home / 83,218.64-124,859.40-49,961.89

Finding the Fourth Proportional to 83,218.64, 124,859.40 and 49,961.89

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Solution

The fourth proportional to 83,218.64, 124,859.40 and 49,961.89 is: 74,961.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,218.64 : 124,859.40 = 49,961.89 : x
  2. Step 2: Convert to fraction form
    83,218.64/124,859.40 = 49,961.89/x
  3. Step 3: Cross multiply
    83,218.64x = 124,859.40 × 49,961.89
  4. Step 4: Simplify right side
    83,218.64x = 6,238,211,366.33
  5. Step 5: Solve for x
    x = 6,238,211,366.33/83,218.64
  6. Step 6: Final answer
    x = 74,961.71

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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.