Home / 54,103.76-81,164.36-16,663.82

Finding the Fourth Proportional to 54,103.76, 81,164.36 and 16,663.82

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Solution

The fourth proportional to 54,103.76, 81,164.36 and 16,663.82 is: 24,998.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,103.76 : 81,164.36 = 16,663.82 : x
  2. Step 2: Convert to fraction form
    54,103.76/81,164.36 = 16,663.82/x
  3. Step 3: Cross multiply
    54,103.76x = 81,164.36 × 16,663.82
  4. Step 4: Simplify right side
    54,103.76x = 1,352,508,530.03
  5. Step 5: Solve for x
    x = 1,352,508,530.03/54,103.76
  6. Step 6: Final answer
    x = 24,998.42

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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.