Home / 68,745.38-102,965.65-52,833.24

Finding the Fourth Proportional to 68,745.38, 102,965.65 and 52,833.24

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Solution

The fourth proportional to 68,745.38, 102,965.65 and 52,833.24 is: 79,132.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,745.38 : 102,965.65 = 52,833.24 : x
  2. Step 2: Convert to fraction form
    68,745.38/102,965.65 = 52,833.24/x
  3. Step 3: Cross multiply
    68,745.38x = 102,965.65 × 52,833.24
  4. Step 4: Simplify right side
    68,745.38x = 5,440,008,766.12
  5. Step 5: Solve for x
    x = 5,440,008,766.12/68,745.38
  6. Step 6: Final answer
    x = 79,132.72

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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.