Home / 78,589.23-117,791.02-33,597.43

Finding the Fourth Proportional to 78,589.23, 117,791.02 and 33,597.43

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Solution

The fourth proportional to 78,589.23, 117,791.02 and 33,597.43 is: 50,356.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,589.23 : 117,791.02 = 33,597.43 : x
  2. Step 2: Convert to fraction form
    78,589.23/117,791.02 = 33,597.43/x
  3. Step 3: Cross multiply
    78,589.23x = 117,791.02 × 33,597.43
  4. Step 4: Simplify right side
    78,589.23x = 3,957,475,107.61
  5. Step 5: Solve for x
    x = 3,957,475,107.61/78,589.23
  6. Step 6: Final answer
    x = 50,356.45

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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.