Home / 80,622.30-120,933.69-24,462.87

Finding the Fourth Proportional to 80,622.30, 120,933.69 and 24,462.87

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Solution

The fourth proportional to 80,622.30, 120,933.69 and 24,462.87 is: 36,694.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,622.30 : 120,933.69 = 24,462.87 : x
  2. Step 2: Convert to fraction form
    80,622.30/120,933.69 = 24,462.87/x
  3. Step 3: Cross multiply
    80,622.30x = 120,933.69 × 24,462.87
  4. Step 4: Simplify right side
    80,622.30x = 2,958,385,137.09
  5. Step 5: Solve for x
    x = 2,958,385,137.09/80,622.30
  6. Step 6: Final answer
    x = 36,694.38

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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.