Home / 55,609.26-83,426.85-18,171.06

Finding the Fourth Proportional to 55,609.26, 83,426.85 and 18,171.06

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Solution

The fourth proportional to 55,609.26, 83,426.85 and 18,171.06 is: 27,260.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,609.26 : 83,426.85 = 18,171.06 : x
  2. Step 2: Convert to fraction form
    55,609.26/83,426.85 = 18,171.06/x
  3. Step 3: Cross multiply
    55,609.26x = 83,426.85 × 18,171.06
  4. Step 4: Simplify right side
    55,609.26x = 1,515,954,296.96
  5. Step 5: Solve for x
    x = 1,515,954,296.96/55,609.26
  6. Step 6: Final answer
    x = 27,260.82

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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.