Home / 75,401.89-104,067.41-43,589.23

Finding the Fourth Proportional to 75,401.89, 104,067.41 and 43,589.23

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Solution

The fourth proportional to 75,401.89, 104,067.41 and 43,589.23 is: 60,160.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,401.89 : 104,067.41 = 43,589.23 : x
  2. Step 2: Convert to fraction form
    75,401.89/104,067.41 = 43,589.23/x
  3. Step 3: Cross multiply
    75,401.89x = 104,067.41 × 43,589.23
  4. Step 4: Simplify right side
    75,401.89x = 4,536,218,269.99
  5. Step 5: Solve for x
    x = 4,536,218,269.99/75,401.89
  6. Step 6: Final answer
    x = 60,160.54

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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.