Home / 69,469.20-95,841.60-45,609.12

Finding the Fourth Proportional to 69,469.20, 95,841.60 and 45,609.12

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Solution

The fourth proportional to 69,469.20, 95,841.60 and 45,609.12 is: 62,923.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,469.20 : 95,841.60 = 45,609.12 : x
  2. Step 2: Convert to fraction form
    69,469.20/95,841.60 = 45,609.12/x
  3. Step 3: Cross multiply
    69,469.20x = 95,841.60 × 45,609.12
  4. Step 4: Simplify right side
    69,469.20x = 4,371,251,035.39
  5. Step 5: Solve for x
    x = 4,371,251,035.39/69,469.20
  6. Step 6: Final answer
    x = 62,923.58

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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.