Home / 69,456.36-95,833.92-39,240.12

Finding the Fourth Proportional to 69,456.36, 95,833.92 and 39,240.12

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Solution

The fourth proportional to 69,456.36, 95,833.92 and 39,240.12 is: 54,142.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,456.36 : 95,833.92 = 39,240.12 : x
  2. Step 2: Convert to fraction form
    69,456.36/95,833.92 = 39,240.12/x
  3. Step 3: Cross multiply
    69,456.36x = 95,833.92 × 39,240.12
  4. Step 4: Simplify right side
    69,456.36x = 3,760,534,520.87
  5. Step 5: Solve for x
    x = 3,760,534,520.87/69,456.36
  6. Step 6: Final answer
    x = 54,142.41

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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.