Home / 54,103.51-81,163.99-16,663.57

Finding the Fourth Proportional to 54,103.51, 81,163.99 and 16,663.57

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Solution

The fourth proportional to 54,103.51, 81,163.99 and 16,663.57 is: 24,998.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,103.51 : 81,163.99 = 16,663.57 : x
  2. Step 2: Convert to fraction form
    54,103.51/81,163.99 = 16,663.57/x
  3. Step 3: Cross multiply
    54,103.51x = 81,163.99 × 16,663.57
  4. Step 4: Simplify right side
    54,103.51x = 1,352,481,745.53
  5. Step 5: Solve for x
    x = 1,352,481,745.53/54,103.51
  6. Step 6: Final answer
    x = 24,998.04

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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.