Home / 79,375.14-109,543.32-52,470.90

Finding the Fourth Proportional to 79,375.14, 109,543.32 and 52,470.90

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Solution

The fourth proportional to 79,375.14, 109,543.32 and 52,470.90 is: 72,413.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,375.14 : 109,543.32 = 52,470.90 : x
  2. Step 2: Convert to fraction form
    79,375.14/109,543.32 = 52,470.90/x
  3. Step 3: Cross multiply
    79,375.14x = 109,543.32 × 52,470.90
  4. Step 4: Simplify right side
    79,375.14x = 5,747,836,589.39
  5. Step 5: Solve for x
    x = 5,747,836,589.39/79,375.14
  6. Step 6: Final answer
    x = 72,413.56

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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.