Home / 73,244.20-109,736.70-68,578.60

Finding the Fourth Proportional to 73,244.20, 109,736.70 and 68,578.60

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Solution

The fourth proportional to 73,244.20, 109,736.70 and 68,578.60 is: 102,746.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,244.20 : 109,736.70 = 68,578.60 : x
  2. Step 2: Convert to fraction form
    73,244.20/109,736.70 = 68,578.60/x
  3. Step 3: Cross multiply
    73,244.20x = 109,736.70 × 68,578.60
  4. Step 4: Simplify right side
    73,244.20x = 7,525,589,254.62
  5. Step 5: Solve for x
    x = 7,525,589,254.62/73,244.20
  6. Step 6: Final answer
    x = 102,746.56

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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.