Home / 55,189.83-82,787.82-15,743.79

Finding the Fourth Proportional to 55,189.83, 82,787.82 and 15,743.79

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Solution

The fourth proportional to 55,189.83, 82,787.82 and 15,743.79 is: 23,616.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,189.83 : 82,787.82 = 15,743.79 : x
  2. Step 2: Convert to fraction form
    55,189.83/82,787.82 = 15,743.79/x
  3. Step 3: Cross multiply
    55,189.83x = 82,787.82 × 15,743.79
  4. Step 4: Simplify right side
    55,189.83x = 1,303,394,052.64
  5. Step 5: Solve for x
    x = 1,303,394,052.64/55,189.83
  6. Step 6: Final answer
    x = 23,616.56

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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.