Home / 83,478.72-125,171.24-36,064.23

Finding the Fourth Proportional to 83,478.72, 125,171.24 and 36,064.23

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Solution

The fourth proportional to 83,478.72, 125,171.24 and 36,064.23 is: 54,076.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,478.72 : 125,171.24 = 36,064.23 : x
  2. Step 2: Convert to fraction form
    83,478.72/125,171.24 = 36,064.23/x
  3. Step 3: Cross multiply
    83,478.72x = 125,171.24 × 36,064.23
  4. Step 4: Simplify right side
    83,478.72x = 4,514,204,388.75
  5. Step 5: Solve for x
    x = 4,514,204,388.75/83,478.72
  6. Step 6: Final answer
    x = 54,076.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.