Home / 54,143.27-81,190.31-16,696.37

Finding the Fourth Proportional to 54,143.27, 81,190.31 and 16,696.37

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Solution

The fourth proportional to 54,143.27, 81,190.31 and 16,696.37 is: 25,036.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,143.27 : 81,190.31 = 16,696.37 : x
  2. Step 2: Convert to fraction form
    54,143.27/81,190.31 = 16,696.37/x
  3. Step 3: Cross multiply
    54,143.27x = 81,190.31 × 16,696.37
  4. Step 4: Simplify right side
    54,143.27x = 1,355,583,372.69
  5. Step 5: Solve for x
    x = 1,355,583,372.69/54,143.27
  6. Step 6: Final answer
    x = 25,036.97

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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.