Home / 80,403.36-120,519.95-27,044.54

Finding the Fourth Proportional to 80,403.36, 120,519.95 and 27,044.54

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Solution

The fourth proportional to 80,403.36, 120,519.95 and 27,044.54 is: 40,538.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,403.36 : 120,519.95 = 27,044.54 : x
  2. Step 2: Convert to fraction form
    80,403.36/120,519.95 = 27,044.54/x
  3. Step 3: Cross multiply
    80,403.36x = 120,519.95 × 27,044.54
  4. Step 4: Simplify right side
    80,403.36x = 3,259,406,608.57
  5. Step 5: Solve for x
    x = 3,259,406,608.57/80,403.36
  6. Step 6: Final answer
    x = 40,538.19

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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.