Home / 69,789.28-96,277.44-41,478.88

Finding the Fourth Proportional to 69,789.28, 96,277.44 and 41,478.88

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Solution

The fourth proportional to 69,789.28, 96,277.44 and 41,478.88 is: 57,221.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,789.28 : 96,277.44 = 41,478.88 : x
  2. Step 2: Convert to fraction form
    69,789.28/96,277.44 = 41,478.88/x
  3. Step 3: Cross multiply
    69,789.28x = 96,277.44 × 41,478.88
  4. Step 4: Simplify right side
    69,789.28x = 3,993,480,380.47
  5. Step 5: Solve for x
    x = 3,993,480,380.47/69,789.28
  6. Step 6: Final answer
    x = 57,221.97

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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.