Home / 54,645.75-81,961.44-17,206.02

Finding the Fourth Proportional to 54,645.75, 81,961.44 and 17,206.02

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Solution

The fourth proportional to 54,645.75, 81,961.44 and 17,206.02 is: 25,806.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,645.75 : 81,961.44 = 17,206.02 : x
  2. Step 2: Convert to fraction form
    54,645.75/81,961.44 = 17,206.02/x
  3. Step 3: Cross multiply
    54,645.75x = 81,961.44 × 17,206.02
  4. Step 4: Simplify right side
    54,645.75x = 1,410,230,175.87
  5. Step 5: Solve for x
    x = 1,410,230,175.87/54,645.75
  6. Step 6: Final answer
    x = 25,806.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.