Home / 68,990.86-95,245.09-41,771.60

Finding the Fourth Proportional to 68,990.86, 95,245.09 and 41,771.60

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Solution

The fourth proportional to 68,990.86, 95,245.09 and 41,771.60 is: 57,667.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,990.86 : 95,245.09 = 41,771.60 : x
  2. Step 2: Convert to fraction form
    68,990.86/95,245.09 = 41,771.60/x
  3. Step 3: Cross multiply
    68,990.86x = 95,245.09 × 41,771.60
  4. Step 4: Simplify right side
    68,990.86x = 3,978,539,695.44
  5. Step 5: Solve for x
    x = 3,978,539,695.44/68,990.86
  6. Step 6: Final answer
    x = 57,667.63

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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.