Home / 69,724.20-96,221.52-42,882.48

Finding the Fourth Proportional to 69,724.20, 96,221.52 and 42,882.48

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Solution

The fourth proportional to 69,724.20, 96,221.52 and 42,882.48 is: 59,179.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,724.20 : 96,221.52 = 42,882.48 : x
  2. Step 2: Convert to fraction form
    69,724.20/96,221.52 = 42,882.48/x
  3. Step 3: Cross multiply
    69,724.20x = 96,221.52 × 42,882.48
  4. Step 4: Simplify right side
    69,724.20x = 4,126,217,406.97
  5. Step 5: Solve for x
    x = 4,126,217,406.97/69,724.20
  6. Step 6: Final answer
    x = 59,179.13

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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.