Home / 62,739.60-86,576.76-34,439.28

Finding the Fourth Proportional to 62,739.60, 86,576.76 and 34,439.28

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Solution

The fourth proportional to 62,739.60, 86,576.76 and 34,439.28 is: 47,524.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,739.60 : 86,576.76 = 34,439.28 : x
  2. Step 2: Convert to fraction form
    62,739.60/86,576.76 = 34,439.28/x
  3. Step 3: Cross multiply
    62,739.60x = 86,576.76 × 34,439.28
  4. Step 4: Simplify right side
    62,739.60x = 2,981,641,279.13
  5. Step 5: Solve for x
    x = 2,981,641,279.13/62,739.60
  6. Step 6: Final answer
    x = 47,524.07

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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.