Home / 75,321.11-112,902.82-25,383.95

Finding the Fourth Proportional to 75,321.11, 112,902.82 and 25,383.95

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Solution

The fourth proportional to 75,321.11, 112,902.82 and 25,383.95 is: 38,049.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,321.11 : 112,902.82 = 25,383.95 : x
  2. Step 2: Convert to fraction form
    75,321.11/112,902.82 = 25,383.95/x
  3. Step 3: Cross multiply
    75,321.11x = 112,902.82 × 25,383.95
  4. Step 4: Simplify right side
    75,321.11x = 2,865,919,333.15
  5. Step 5: Solve for x
    x = 2,865,919,333.15/75,321.11
  6. Step 6: Final answer
    x = 38,049.35

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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.