Home / 54,757.20-75,532.32-34,578.48

Finding the Fourth Proportional to 54,757.20, 75,532.32 and 34,578.48

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Solution

The fourth proportional to 54,757.20, 75,532.32 and 34,578.48 is: 47,697.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,757.20 : 75,532.32 = 34,578.48 : x
  2. Step 2: Convert to fraction form
    54,757.20/75,532.32 = 34,578.48/x
  3. Step 3: Cross multiply
    54,757.20x = 75,532.32 × 34,578.48
  4. Step 4: Simplify right side
    54,757.20x = 2,611,792,816.47
  5. Step 5: Solve for x
    x = 2,611,792,816.47/54,757.20
  6. Step 6: Final answer
    x = 47,697.71

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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.