Home / 80,450.10-120,628.12-24,273.36

Finding the Fourth Proportional to 80,450.10, 120,628.12 and 24,273.36

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Solution

The fourth proportional to 80,450.10, 120,628.12 and 24,273.36 is: 36,395.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,450.10 : 120,628.12 = 24,273.36 : x
  2. Step 2: Convert to fraction form
    80,450.10/120,628.12 = 24,273.36/x
  3. Step 3: Cross multiply
    80,450.10x = 120,628.12 × 24,273.36
  4. Step 4: Simplify right side
    80,450.10x = 2,928,049,782.88
  5. Step 5: Solve for x
    x = 2,928,049,782.88/80,450.10
  6. Step 6: Final answer
    x = 36,395.85

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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.