Home / 69,520.69-95,932.78-39,304.45

Finding the Fourth Proportional to 69,520.69, 95,932.78 and 39,304.45

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Solution

The fourth proportional to 69,520.69, 95,932.78 and 39,304.45 is: 54,236.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,520.69 : 95,932.78 = 39,304.45 : x
  2. Step 2: Convert to fraction form
    69,520.69/95,932.78 = 39,304.45/x
  3. Step 3: Cross multiply
    69,520.69x = 95,932.78 × 39,304.45
  4. Step 4: Simplify right side
    69,520.69x = 3,770,585,154.87
  5. Step 5: Solve for x
    x = 3,770,585,154.87/69,520.69
  6. Step 6: Final answer
    x = 54,236.88

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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.