Home / 75,759.06-104,542.80-41,765.78

Finding the Fourth Proportional to 75,759.06, 104,542.80 and 41,765.78

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Solution

The fourth proportional to 75,759.06, 104,542.80 and 41,765.78 is: 57,634.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,759.06 : 104,542.80 = 41,765.78 : x
  2. Step 2: Convert to fraction form
    75,759.06/104,542.80 = 41,765.78/x
  3. Step 3: Cross multiply
    75,759.06x = 104,542.80 × 41,765.78
  4. Step 4: Simplify right side
    75,759.06x = 4,366,311,585.38
  5. Step 5: Solve for x
    x = 4,366,311,585.38/75,759.06
  6. Step 6: Final answer
    x = 57,634.18

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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.