Home / 69,400.60-95,770.68-39,185.44

Finding the Fourth Proportional to 69,400.60, 95,770.68 and 39,185.44

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Solution

The fourth proportional to 69,400.60, 95,770.68 and 39,185.44 is: 54,074.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,400.60 : 95,770.68 = 39,185.44 : x
  2. Step 2: Convert to fraction form
    69,400.60/95,770.68 = 39,185.44/x
  3. Step 3: Cross multiply
    69,400.60x = 95,770.68 × 39,185.44
  4. Step 4: Simplify right side
    69,400.60x = 3,752,816,234.90
  5. Step 5: Solve for x
    x = 3,752,816,234.90/69,400.60
  6. Step 6: Final answer
    x = 54,074.69

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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.