Home / 83,473.12-125,209.60-28,108

Finding the Fourth Proportional to 83,473.12, 125,209.60 and 28,108

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Solution

The fourth proportional to 83,473.12, 125,209.60 and 28,108 is: 42,161.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,473.12 : 125,209.60 = 28,108 : x
  2. Step 2: Convert to fraction form
    83,473.12/125,209.60 = 28,108/x
  3. Step 3: Cross multiply
    83,473.12x = 125,209.60 × 28,108
  4. Step 4: Simplify right side
    83,473.12x = 3,519,391,436.80
  5. Step 5: Solve for x
    x = 3,519,391,436.80/83,473.12
  6. Step 6: Final answer
    x = 42,161.97

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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.