Home / 83,660.16-125,379.48-39,207.30

Finding the Fourth Proportional to 83,660.16, 125,379.48 and 39,207.30

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Solution

The fourth proportional to 83,660.16, 125,379.48 and 39,207.30 is: 58,759.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,660.16 : 125,379.48 = 39,207.30 : x
  2. Step 2: Convert to fraction form
    83,660.16/125,379.48 = 39,207.30/x
  3. Step 3: Cross multiply
    83,660.16x = 125,379.48 × 39,207.30
  4. Step 4: Simplify right side
    83,660.16x = 4,915,790,886.20
  5. Step 5: Solve for x
    x = 4,915,790,886.20/83,660.16
  6. Step 6: Final answer
    x = 58,759.04

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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.