Home / 71,589.07-107,382.92-43,516.88

Finding the Fourth Proportional to 71,589.07, 107,382.92 and 43,516.88

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Solution

The fourth proportional to 71,589.07, 107,382.92 and 43,516.88 is: 65,274.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,589.07 : 107,382.92 = 43,516.88 : x
  2. Step 2: Convert to fraction form
    71,589.07/107,382.92 = 43,516.88/x
  3. Step 3: Cross multiply
    71,589.07x = 107,382.92 × 43,516.88
  4. Step 4: Simplify right side
    71,589.07x = 4,672,968,997.98
  5. Step 5: Solve for x
    x = 4,672,968,997.98/71,589.07
  6. Step 6: Final answer
    x = 65,274.90

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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.