Home / 80,650.17-120,999.85-41,234.96

Finding the Fourth Proportional to 80,650.17, 120,999.85 and 41,234.96

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Solution

The fourth proportional to 80,650.17, 120,999.85 and 41,234.96 is: 61,865.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,650.17 : 120,999.85 = 41,234.96 : x
  2. Step 2: Convert to fraction form
    80,650.17/120,999.85 = 41,234.96/x
  3. Step 3: Cross multiply
    80,650.17x = 120,999.85 × 41,234.96
  4. Step 4: Simplify right side
    80,650.17x = 4,989,423,974.76
  5. Step 5: Solve for x
    x = 4,989,423,974.76/80,650.17
  6. Step 6: Final answer
    x = 61,865.01

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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.