Home / 54,120.36-81,188.19-16,683.48

Finding the Fourth Proportional to 54,120.36, 81,188.19 and 16,683.48

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Solution

The fourth proportional to 54,120.36, 81,188.19 and 16,683.48 is: 25,027.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,120.36 : 81,188.19 = 16,683.48 : x
  2. Step 2: Convert to fraction form
    54,120.36/81,188.19 = 16,683.48/x
  3. Step 3: Cross multiply
    54,120.36x = 81,188.19 × 16,683.48
  4. Step 4: Simplify right side
    54,120.36x = 1,354,501,544.10
  5. Step 5: Solve for x
    x = 1,354,501,544.10/54,120.36
  6. Step 6: Final answer
    x = 25,027.58

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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.