Home / 69,805.20-96,318.12-41,517.84

Finding the Fourth Proportional to 69,805.20, 96,318.12 and 41,517.84

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Solution

The fourth proportional to 69,805.20, 96,318.12 and 41,517.84 is: 57,286.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,805.20 : 96,318.12 = 41,517.84 : x
  2. Step 2: Convert to fraction form
    69,805.20/96,318.12 = 41,517.84/x
  3. Step 3: Cross multiply
    69,805.20x = 96,318.12 × 41,517.84
  4. Step 4: Simplify right side
    69,805.20x = 3,998,920,295.26
  5. Step 5: Solve for x
    x = 3,998,920,295.26/69,805.20
  6. Step 6: Final answer
    x = 57,286.85

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1.5x scale

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.