Home / 45,578.87-62,902-25,439.68

Finding the Fourth Proportional to 45,578.87, 62,902 and 25,439.68

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Solution

The fourth proportional to 45,578.87, 62,902 and 25,439.68 is: 35,108.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,578.87 : 62,902 = 25,439.68 : x
  2. Step 2: Convert to fraction form
    45,578.87/62,902 = 25,439.68/x
  3. Step 3: Cross multiply
    45,578.87x = 62,902 × 25,439.68
  4. Step 4: Simplify right side
    45,578.87x = 1,600,206,436.85
  5. Step 5: Solve for x
    x = 1,600,206,436.85/45,578.87
  6. Step 6: Final answer
    x = 35,108.51

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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.