Home / 83,042.75-124,503.78-33,107.87

Finding the Fourth Proportional to 83,042.75, 124,503.78 and 33,107.87

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Solution

The fourth proportional to 83,042.75, 124,503.78 and 33,107.87 is: 49,637.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,042.75 : 124,503.78 = 33,107.87 : x
  2. Step 2: Convert to fraction form
    83,042.75/124,503.78 = 33,107.87/x
  3. Step 3: Cross multiply
    83,042.75x = 124,503.78 × 33,107.87
  4. Step 4: Simplify right side
    83,042.75x = 4,122,055,398.16
  5. Step 5: Solve for x
    x = 4,122,055,398.16/83,042.75
  6. Step 6: Final answer
    x = 49,637.75

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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.