Home / 83,451.71-115,163.42-45,725.96

Finding the Fourth Proportional to 83,451.71, 115,163.42 and 45,725.96

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Solution

The fourth proportional to 83,451.71, 115,163.42 and 45,725.96 is: 63,101.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,451.71 : 115,163.42 = 45,725.96 : x
  2. Step 2: Convert to fraction form
    83,451.71/115,163.42 = 45,725.96/x
  3. Step 3: Cross multiply
    83,451.71x = 115,163.42 × 45,725.96
  4. Step 4: Simplify right side
    83,451.71x = 5,265,957,474.88
  5. Step 5: Solve for x
    x = 5,265,957,474.88/83,451.71
  6. Step 6: Final answer
    x = 63,101.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.