Home / 76,721.46-115,012.94-32,350.88

Finding the Fourth Proportional to 76,721.46, 115,012.94 and 32,350.88

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Solution

The fourth proportional to 76,721.46, 115,012.94 and 32,350.88 is: 48,497.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,721.46 : 115,012.94 = 32,350.88 : x
  2. Step 2: Convert to fraction form
    76,721.46/115,012.94 = 32,350.88/x
  3. Step 3: Cross multiply
    76,721.46x = 115,012.94 × 32,350.88
  4. Step 4: Simplify right side
    76,721.46x = 3,720,769,083.57
  5. Step 5: Solve for x
    x = 3,720,769,083.57/76,721.46
  6. Step 6: Final answer
    x = 48,497.11

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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.