Home / 69,739.56-96,233.40-41,439.78

Finding the Fourth Proportional to 69,739.56, 96,233.40 and 41,439.78

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Solution

The fourth proportional to 69,739.56, 96,233.40 and 41,439.78 is: 57,182.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,739.56 : 96,233.40 = 41,439.78 : x
  2. Step 2: Convert to fraction form
    69,739.56/96,233.40 = 41,439.78/x
  3. Step 3: Cross multiply
    69,739.56x = 96,233.40 × 41,439.78
  4. Step 4: Simplify right side
    69,739.56x = 3,987,890,924.65
  5. Step 5: Solve for x
    x = 3,987,890,924.65/69,739.56
  6. Step 6: Final answer
    x = 57,182.62

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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.