Home / 80,529.72-120,746.88-24,352.80

Finding the Fourth Proportional to 80,529.72, 120,746.88 and 24,352.80

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Solution

The fourth proportional to 80,529.72, 120,746.88 and 24,352.80 is: 36,514.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,529.72 : 120,746.88 = 24,352.80 : x
  2. Step 2: Convert to fraction form
    80,529.72/120,746.88 = 24,352.80/x
  3. Step 3: Cross multiply
    80,529.72x = 120,746.88 × 24,352.80
  4. Step 4: Simplify right side
    80,529.72x = 2,940,524,619.26
  5. Step 5: Solve for x
    x = 2,940,524,619.26/80,529.72
  6. Step 6: Final answer
    x = 36,514.78

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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.