Home / 62,479.20-86,221.92-34,186.08

Finding the Fourth Proportional to 62,479.20, 86,221.92 and 34,186.08

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Solution

The fourth proportional to 62,479.20, 86,221.92 and 34,186.08 is: 47,177.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,479.20 : 86,221.92 = 34,186.08 : x
  2. Step 2: Convert to fraction form
    62,479.20/86,221.92 = 34,186.08/x
  3. Step 3: Cross multiply
    62,479.20x = 86,221.92 × 34,186.08
  4. Step 4: Simplify right side
    62,479.20x = 2,947,589,454.87
  5. Step 5: Solve for x
    x = 2,947,589,454.87/62,479.20
  6. Step 6: Final answer
    x = 47,177.13

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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.