Home / 69,404.05-95,770.49-40,327.88

Finding the Fourth Proportional to 69,404.05, 95,770.49 and 40,327.88

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Solution

The fourth proportional to 69,404.05, 95,770.49 and 40,327.88 is: 55,648.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,404.05 : 95,770.49 = 40,327.88 : x
  2. Step 2: Convert to fraction form
    69,404.05/95,770.49 = 40,327.88/x
  3. Step 3: Cross multiply
    69,404.05x = 95,770.49 × 40,327.88
  4. Step 4: Simplify right side
    69,404.05x = 3,862,220,626.62
  5. Step 5: Solve for x
    x = 3,862,220,626.62/69,404.05
  6. Step 6: Final answer
    x = 55,648.35

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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.