Home / 80,234.46-120,351.33-32,871.51

Finding the Fourth Proportional to 80,234.46, 120,351.33 and 32,871.51

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Solution

The fourth proportional to 80,234.46, 120,351.33 and 32,871.51 is: 49,307.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,234.46 : 120,351.33 = 32,871.51 : x
  2. Step 2: Convert to fraction form
    80,234.46/120,351.33 = 32,871.51/x
  3. Step 3: Cross multiply
    80,234.46x = 120,351.33 × 32,871.51
  4. Step 4: Simplify right side
    80,234.46x = 3,956,129,947.61
  5. Step 5: Solve for x
    x = 3,956,129,947.61/80,234.46
  6. Step 6: Final answer
    x = 49,307.12

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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.