Home / 75,757.05-104,540.04-41,763.78

Finding the Fourth Proportional to 75,757.05, 104,540.04 and 41,763.78

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Solution

The fourth proportional to 75,757.05, 104,540.04 and 41,763.78 is: 57,631.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,757.05 : 104,540.04 = 41,763.78 : x
  2. Step 2: Convert to fraction form
    75,757.05/104,540.04 = 41,763.78/x
  3. Step 3: Cross multiply
    75,757.05x = 104,540.04 × 41,763.78
  4. Step 4: Simplify right side
    75,757.05x = 4,365,987,231.75
  5. Step 5: Solve for x
    x = 4,365,987,231.75/75,757.05
  6. Step 6: Final answer
    x = 57,631.43

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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.