Home / 83,517.30-115,253.64-45,793.98

Finding the Fourth Proportional to 83,517.30, 115,253.64 and 45,793.98

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Solution

The fourth proportional to 83,517.30, 115,253.64 and 45,793.98 is: 63,195.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,517.30 : 115,253.64 = 45,793.98 : x
  2. Step 2: Convert to fraction form
    83,517.30/115,253.64 = 45,793.98/x
  3. Step 3: Cross multiply
    83,517.30x = 115,253.64 × 45,793.98
  4. Step 4: Simplify right side
    83,517.30x = 5,277,922,885.09
  5. Step 5: Solve for x
    x = 5,277,922,885.09/83,517.30
  6. Step 6: Final answer
    x = 63,195.56

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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.