Home / 68,791.14-94,932.79-40,110.03

Finding the Fourth Proportional to 68,791.14, 94,932.79 and 40,110.03

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Solution

The fourth proportional to 68,791.14, 94,932.79 and 40,110.03 is: 55,352.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,791.14 : 94,932.79 = 40,110.03 : x
  2. Step 2: Convert to fraction form
    68,791.14/94,932.79 = 40,110.03/x
  3. Step 3: Cross multiply
    68,791.14x = 94,932.79 × 40,110.03
  4. Step 4: Simplify right side
    68,791.14x = 3,807,756,954.61
  5. Step 5: Solve for x
    x = 3,807,756,954.61/68,791.14
  6. Step 6: Final answer
    x = 55,352.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.