Home / 71,418.26-107,134.52-26,451.72

Finding the Fourth Proportional to 71,418.26, 107,134.52 and 26,451.72

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Solution

The fourth proportional to 71,418.26, 107,134.52 and 26,451.72 is: 39,680.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,418.26 : 107,134.52 = 26,451.72 : x
  2. Step 2: Convert to fraction form
    71,418.26/107,134.52 = 26,451.72/x
  3. Step 3: Cross multiply
    71,418.26x = 107,134.52 × 26,451.72
  4. Step 4: Simplify right side
    71,418.26x = 2,833,892,193.12
  5. Step 5: Solve for x
    x = 2,833,892,193.12/71,418.26
  6. Step 6: Final answer
    x = 39,680.22

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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.