Home / 83,585.12-125,408.88-33,679.37

Finding the Fourth Proportional to 83,585.12, 125,408.88 and 33,679.37

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Solution

The fourth proportional to 83,585.12, 125,408.88 and 33,679.37 is: 50,531.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,585.12 : 125,408.88 = 33,679.37 : x
  2. Step 2: Convert to fraction form
    83,585.12/125,408.88 = 33,679.37/x
  3. Step 3: Cross multiply
    83,585.12x = 125,408.88 × 33,679.37
  4. Step 4: Simplify right side
    83,585.12x = 4,223,691,443.76
  5. Step 5: Solve for x
    x = 4,223,691,443.76/83,585.12
  6. Step 6: Final answer
    x = 50,531.62

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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.