Home / 68,197.12-102,295.68-26,081.48

Finding the Fourth Proportional to 68,197.12, 102,295.68 and 26,081.48

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Solution

The fourth proportional to 68,197.12, 102,295.68 and 26,081.48 is: 39,122.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,197.12 : 102,295.68 = 26,081.48 : x
  2. Step 2: Convert to fraction form
    68,197.12/102,295.68 = 26,081.48/x
  3. Step 3: Cross multiply
    68,197.12x = 102,295.68 × 26,081.48
  4. Step 4: Simplify right side
    68,197.12x = 2,668,022,732.01
  5. Step 5: Solve for x
    x = 2,668,022,732.01/68,197.12
  6. Step 6: Final answer
    x = 39,122.22

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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.