Home / 69,140.40-95,400.36-40,850.88

Finding the Fourth Proportional to 69,140.40, 95,400.36 and 40,850.88

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Solution

The fourth proportional to 69,140.40, 95,400.36 and 40,850.88 is: 56,366.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,140.40 : 95,400.36 = 40,850.88 : x
  2. Step 2: Convert to fraction form
    69,140.40/95,400.36 = 40,850.88/x
  3. Step 3: Cross multiply
    69,140.40x = 95,400.36 × 40,850.88
  4. Step 4: Simplify right side
    69,140.40x = 3,897,188,658.32
  5. Step 5: Solve for x
    x = 3,897,188,658.32/69,140.40
  6. Step 6: Final answer
    x = 56,366.30

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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.