Home / 75,909.56-104,754.66-41,920.16

Finding the Fourth Proportional to 75,909.56, 104,754.66 and 41,920.16

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Solution

The fourth proportional to 75,909.56, 104,754.66 and 41,920.16 is: 57,849.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,909.56 : 104,754.66 = 41,920.16 : x
  2. Step 2: Convert to fraction form
    75,909.56/104,754.66 = 41,920.16/x
  3. Step 3: Cross multiply
    75,909.56x = 104,754.66 × 41,920.16
  4. Step 4: Simplify right side
    75,909.56x = 4,391,332,107.95
  5. Step 5: Solve for x
    x = 4,391,332,107.95/75,909.56
  6. Step 6: Final answer
    x = 57,849.53

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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.