Home / 69,049.96-95,288.10-39,240.04

Finding the Fourth Proportional to 69,049.96, 95,288.10 and 39,240.04

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Solution

The fourth proportional to 69,049.96, 95,288.10 and 39,240.04 is: 54,150.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,049.96 : 95,288.10 = 39,240.04 : x
  2. Step 2: Convert to fraction form
    69,049.96/95,288.10 = 39,240.04/x
  3. Step 3: Cross multiply
    69,049.96x = 95,288.10 × 39,240.04
  4. Step 4: Simplify right side
    69,049.96x = 3,739,108,855.52
  5. Step 5: Solve for x
    x = 3,739,108,855.52/69,049.96
  6. Step 6: Final answer
    x = 54,150.78

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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.