Home / 71,767.32-107,651.04-34,318.56

Finding the Fourth Proportional to 71,767.32, 107,651.04 and 34,318.56

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Solution

The fourth proportional to 71,767.32, 107,651.04 and 34,318.56 is: 51,477.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,767.32 : 107,651.04 = 34,318.56 : x
  2. Step 2: Convert to fraction form
    71,767.32/107,651.04 = 34,318.56/x
  3. Step 3: Cross multiply
    71,767.32x = 107,651.04 × 34,318.56
  4. Step 4: Simplify right side
    71,767.32x = 3,694,428,675.30
  5. Step 5: Solve for x
    x = 3,694,428,675.30/71,767.32
  6. Step 6: Final answer
    x = 51,477.87

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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.