Home / 83,588.38-125,402.82-48,072.43

Finding the Fourth Proportional to 83,588.38, 125,402.82 and 48,072.43

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Solution

The fourth proportional to 83,588.38, 125,402.82 and 48,072.43 is: 72,120.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,588.38 : 125,402.82 = 48,072.43 : x
  2. Step 2: Convert to fraction form
    83,588.38/125,402.82 = 48,072.43/x
  3. Step 3: Cross multiply
    83,588.38x = 125,402.82 × 48,072.43
  4. Step 4: Simplify right side
    83,588.38x = 6,028,418,286.25
  5. Step 5: Solve for x
    x = 6,028,418,286.25/83,588.38
  6. Step 6: Final answer
    x = 72,120.29

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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.