Home / 71,629.52-107,342.40-52,761.18

Finding the Fourth Proportional to 71,629.52, 107,342.40 and 52,761.18

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Solution

The fourth proportional to 71,629.52, 107,342.40 and 52,761.18 is: 79,066.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,629.52 : 107,342.40 = 52,761.18 : x
  2. Step 2: Convert to fraction form
    71,629.52/107,342.40 = 52,761.18/x
  3. Step 3: Cross multiply
    71,629.52x = 107,342.40 × 52,761.18
  4. Step 4: Simplify right side
    71,629.52x = 5,663,511,688.03
  5. Step 5: Solve for x
    x = 5,663,511,688.03/71,629.52
  6. Step 6: Final answer
    x = 79,066.73

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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.