Home / 75,640.07-104,382.44-41,647.85

Finding the Fourth Proportional to 75,640.07, 104,382.44 and 41,647.85

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Solution

The fourth proportional to 75,640.07, 104,382.44 and 41,647.85 is: 57,473.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,640.07 : 104,382.44 = 41,647.85 : x
  2. Step 2: Convert to fraction form
    75,640.07/104,382.44 = 41,647.85/x
  3. Step 3: Cross multiply
    75,640.07x = 104,382.44 × 41,647.85
  4. Step 4: Simplify right side
    75,640.07x = 4,347,304,021.22
  5. Step 5: Solve for x
    x = 4,347,304,021.22/75,640.07
  6. Step 6: Final answer
    x = 57,473.56

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1.5x scale

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.