Home / 78,872.26-118,310.55-32,125.54

Finding the Fourth Proportional to 78,872.26, 118,310.55 and 32,125.54

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Solution

The fourth proportional to 78,872.26, 118,310.55 and 32,125.54 is: 48,189.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,872.26 : 118,310.55 = 32,125.54 : x
  2. Step 2: Convert to fraction form
    78,872.26/118,310.55 = 32,125.54/x
  3. Step 3: Cross multiply
    78,872.26x = 118,310.55 × 32,125.54
  4. Step 4: Simplify right side
    78,872.26x = 3,800,790,306.45
  5. Step 5: Solve for x
    x = 3,800,790,306.45/78,872.26
  6. Step 6: Final answer
    x = 48,189.19

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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.