Home / 67,217.45-100,549.15-55,236.33

Finding the Fourth Proportional to 67,217.45, 100,549.15 and 55,236.33

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Solution

The fourth proportional to 67,217.45, 100,549.15 and 55,236.33 is: 82,626.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,217.45 : 100,549.15 = 55,236.33 : x
  2. Step 2: Convert to fraction form
    67,217.45/100,549.15 = 55,236.33/x
  3. Step 3: Cross multiply
    67,217.45x = 100,549.15 × 55,236.33
  4. Step 4: Simplify right side
    67,217.45x = 5,553,965,892.53
  5. Step 5: Solve for x
    x = 5,553,965,892.53/67,217.45
  6. Step 6: Final answer
    x = 82,626.85

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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.