Home / 80,579.67-120,856.10-24,406.43

Finding the Fourth Proportional to 80,579.67, 120,856.10 and 24,406.43

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Solution

The fourth proportional to 80,579.67, 120,856.10 and 24,406.43 is: 36,605.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,579.67 : 120,856.10 = 24,406.43 : x
  2. Step 2: Convert to fraction form
    80,579.67/120,856.10 = 24,406.43/x
  3. Step 3: Cross multiply
    80,579.67x = 120,856.10 × 24,406.43
  4. Step 4: Simplify right side
    80,579.67x = 2,949,665,401.46
  5. Step 5: Solve for x
    x = 2,949,665,401.46/80,579.67
  6. Step 6: Final answer
    x = 36,605.58

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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.