Home / 68,629.97-102,935.21-26,529.89

Finding the Fourth Proportional to 68,629.97, 102,935.21 and 26,529.89

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Solution

The fourth proportional to 68,629.97, 102,935.21 and 26,529.89 is: 39,791.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,629.97 : 102,935.21 = 26,529.89 : x
  2. Step 2: Convert to fraction form
    68,629.97/102,935.21 = 26,529.89/x
  3. Step 3: Cross multiply
    68,629.97x = 102,935.21 × 26,529.89
  4. Step 4: Simplify right side
    68,629.97x = 2,730,859,151.10
  5. Step 5: Solve for x
    x = 2,730,859,151.10/68,629.97
  6. Step 6: Final answer
    x = 39,791.06

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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.