Home / 55,393.20-83,072.03-17,944.25

Finding the Fourth Proportional to 55,393.20, 83,072.03 and 17,944.25

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Solution

The fourth proportional to 55,393.20, 83,072.03 and 17,944.25 is: 26,910.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,393.20 : 83,072.03 = 17,944.25 : x
  2. Step 2: Convert to fraction form
    55,393.20/83,072.03 = 17,944.25/x
  3. Step 3: Cross multiply
    55,393.20x = 83,072.03 × 17,944.25
  4. Step 4: Simplify right side
    55,393.20x = 1,490,664,769.25
  5. Step 5: Solve for x
    x = 1,490,664,769.25/55,393.20
  6. Step 6: Final answer
    x = 26,910.61

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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.