Home / 75,640.07-104,382.43-41,647.86

Finding the Fourth Proportional to 75,640.07, 104,382.43 and 41,647.86

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Solution

The fourth proportional to 75,640.07, 104,382.43 and 41,647.86 is: 57,473.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,640.07 : 104,382.43 = 41,647.86 : x
  2. Step 2: Convert to fraction form
    75,640.07/104,382.43 = 41,647.86/x
  3. Step 3: Cross multiply
    75,640.07x = 104,382.43 × 41,647.86
  4. Step 4: Simplify right side
    75,640.07x = 4,347,304,726.98
  5. Step 5: Solve for x
    x = 4,347,304,726.98/75,640.07
  6. Step 6: Final answer
    x = 57,473.57

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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.