Home / 80,568.24-120,750.12-45,527.52

Finding the Fourth Proportional to 80,568.24, 120,750.12 and 45,527.52

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Solution

The fourth proportional to 80,568.24, 120,750.12 and 45,527.52 is: 68,233.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,568.24 : 120,750.12 = 45,527.52 : x
  2. Step 2: Convert to fraction form
    80,568.24/120,750.12 = 45,527.52/x
  3. Step 3: Cross multiply
    80,568.24x = 120,750.12 × 45,527.52
  4. Step 4: Simplify right side
    80,568.24x = 5,497,453,503.30
  5. Step 5: Solve for x
    x = 5,497,453,503.30/80,568.24
  6. Step 6: Final answer
    x = 68,233.51

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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.