Home / 80,542.26-111,149.80-44,735.60

Finding the Fourth Proportional to 80,542.26, 111,149.80 and 44,735.60

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Solution

The fourth proportional to 80,542.26, 111,149.80 and 44,735.60 is: 61,735.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,542.26 : 111,149.80 = 44,735.60 : x
  2. Step 2: Convert to fraction form
    80,542.26/111,149.80 = 44,735.60/x
  3. Step 3: Cross multiply
    80,542.26x = 111,149.80 × 44,735.60
  4. Step 4: Simplify right side
    80,542.26x = 4,972,352,992.88
  5. Step 5: Solve for x
    x = 4,972,352,992.88/80,542.26
  6. Step 6: Final answer
    x = 61,735.95

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1.5x scale

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.