Home / 80,519.40-120,800.97-24,357.24

Finding the Fourth Proportional to 80,519.40, 120,800.97 and 24,357.24

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Solution

The fourth proportional to 80,519.40, 120,800.97 and 24,357.24 is: 36,542.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,519.40 : 120,800.97 = 24,357.24 : x
  2. Step 2: Convert to fraction form
    80,519.40/120,800.97 = 24,357.24/x
  3. Step 3: Cross multiply
    80,519.40x = 120,800.97 × 24,357.24
  4. Step 4: Simplify right side
    80,519.40x = 2,942,378,218.52
  5. Step 5: Solve for x
    x = 2,942,378,218.52/80,519.40
  6. Step 6: Final answer
    x = 36,542.48

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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.