Home / 68,194.20-102,003.30-61,224.60

Finding the Fourth Proportional to 68,194.20, 102,003.30 and 61,224.60

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Solution

The fourth proportional to 68,194.20, 102,003.30 and 61,224.60 is: 91,578.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,194.20 : 102,003.30 = 61,224.60 : x
  2. Step 2: Convert to fraction form
    68,194.20/102,003.30 = 61,224.60/x
  3. Step 3: Cross multiply
    68,194.20x = 102,003.30 × 61,224.60
  4. Step 4: Simplify right side
    68,194.20x = 6,245,111,241.18
  5. Step 5: Solve for x
    x = 6,245,111,241.18/68,194.20
  6. Step 6: Final answer
    x = 91,578.33

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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.