Home / 75,639.88-104,375.82-41,647.96

Finding the Fourth Proportional to 75,639.88, 104,375.82 and 41,647.96

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Solution

The fourth proportional to 75,639.88, 104,375.82 and 41,647.96 is: 57,470.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,639.88 : 104,375.82 = 41,647.96 : x
  2. Step 2: Convert to fraction form
    75,639.88/104,375.82 = 41,647.96/x
  3. Step 3: Cross multiply
    75,639.88x = 104,375.82 × 41,647.96
  4. Step 4: Simplify right side
    75,639.88x = 4,347,039,976.33
  5. Step 5: Solve for x
    x = 4,347,039,976.33/75,639.88
  6. Step 6: Final answer
    x = 57,470.21

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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.