Home / 78,589.44-117,884.48-39,195.52

Finding the Fourth Proportional to 78,589.44, 117,884.48 and 39,195.52

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Solution

The fourth proportional to 78,589.44, 117,884.48 and 39,195.52 is: 58,793.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,589.44 : 117,884.48 = 39,195.52 : x
  2. Step 2: Convert to fraction form
    78,589.44/117,884.48 = 39,195.52/x
  3. Step 3: Cross multiply
    78,589.44x = 117,884.48 × 39,195.52
  4. Step 4: Simplify right side
    78,589.44x = 4,620,543,493.53
  5. Step 5: Solve for x
    x = 4,620,543,493.53/78,589.44
  6. Step 6: Final answer
    x = 58,793.44

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1.5x scale

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.