Home / 71,824.39-107,734.49-19,233.86

Finding the Fourth Proportional to 71,824.39, 107,734.49 and 19,233.86

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Solution

The fourth proportional to 71,824.39, 107,734.49 and 19,233.86 is: 28,850.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,824.39 : 107,734.49 = 19,233.86 : x
  2. Step 2: Convert to fraction form
    71,824.39/107,734.49 = 19,233.86/x
  3. Step 3: Cross multiply
    71,824.39x = 107,734.49 × 19,233.86
  4. Step 4: Simplify right side
    71,824.39x = 2,072,149,535.12
  5. Step 5: Solve for x
    x = 2,072,149,535.12/71,824.39
  6. Step 6: Final answer
    x = 28,850.22

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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.