Home / 80,650.71-120,968.25-24,491.31

Finding the Fourth Proportional to 80,650.71, 120,968.25 and 24,491.31

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Solution

The fourth proportional to 80,650.71, 120,968.25 and 24,491.31 is: 36,734.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,650.71 : 120,968.25 = 24,491.31 : x
  2. Step 2: Convert to fraction form
    80,650.71/120,968.25 = 24,491.31/x
  3. Step 3: Cross multiply
    80,650.71x = 120,968.25 × 24,491.31
  4. Step 4: Simplify right side
    80,650.71x = 2,962,670,910.91
  5. Step 5: Solve for x
    x = 2,962,670,910.91/80,650.71
  6. Step 6: Final answer
    x = 36,734.59

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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.