Home / 80,645.71-120,973.28-24,487.65

Finding the Fourth Proportional to 80,645.71, 120,973.28 and 24,487.65

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Solution

The fourth proportional to 80,645.71, 120,973.28 and 24,487.65 is: 36,732.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,645.71 : 120,973.28 = 24,487.65 : x
  2. Step 2: Convert to fraction form
    80,645.71/120,973.28 = 24,487.65/x
  3. Step 3: Cross multiply
    80,645.71x = 120,973.28 × 24,487.65
  4. Step 4: Simplify right side
    80,645.71x = 2,962,351,339.99
  5. Step 5: Solve for x
    x = 2,962,351,339.99/80,645.71
  6. Step 6: Final answer
    x = 36,732.91

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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.