Home / 75,645.75-104,389.25-41,653.97

Finding the Fourth Proportional to 75,645.75, 104,389.25 and 41,653.97

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Solution

The fourth proportional to 75,645.75, 104,389.25 and 41,653.97 is: 57,481.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,645.75 : 104,389.25 = 41,653.97 : x
  2. Step 2: Convert to fraction form
    75,645.75/104,389.25 = 41,653.97/x
  3. Step 3: Cross multiply
    75,645.75x = 104,389.25 × 41,653.97
  4. Step 4: Simplify right side
    75,645.75x = 4,348,226,687.82
  5. Step 5: Solve for x
    x = 4,348,226,687.82/75,645.75
  6. Step 6: Final answer
    x = 57,481.44

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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.