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Finding the Fourth Proportional to 73,144.36, 100,939.22 and 39,610.36

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Solution

The fourth proportional to 73,144.36, 100,939.22 and 39,610.36 is: 54,662.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,144.36 : 100,939.22 = 39,610.36 : x
  2. Step 2: Convert to fraction form
    73,144.36/100,939.22 = 39,610.36/x
  3. Step 3: Cross multiply
    73,144.36x = 100,939.22 × 39,610.36
  4. Step 4: Simplify right side
    73,144.36x = 3,998,238,842.32
  5. Step 5: Solve for x
    x = 3,998,238,842.32/73,144.36
  6. Step 6: Final answer
    x = 54,662.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.