Home / 71,916.42-107,922.62-25,169.30

Finding the Fourth Proportional to 71,916.42, 107,922.62 and 25,169.30

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Solution

The fourth proportional to 71,916.42, 107,922.62 and 25,169.30 is: 37,770.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,916.42 : 107,922.62 = 25,169.30 : x
  2. Step 2: Convert to fraction form
    71,916.42/107,922.62 = 25,169.30/x
  3. Step 3: Cross multiply
    71,916.42x = 107,922.62 × 25,169.30
  4. Step 4: Simplify right side
    71,916.42x = 2,716,336,799.57
  5. Step 5: Solve for x
    x = 2,716,336,799.57/71,916.42
  6. Step 6: Final answer
    x = 37,770.75

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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.