Home / 80,201.44-120,301.62-62,686

Finding the Fourth Proportional to 80,201.44, 120,301.62 and 62,686

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Solution

The fourth proportional to 80,201.44, 120,301.62 and 62,686 is: 94,028.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,201.44 : 120,301.62 = 62,686 : x
  2. Step 2: Convert to fraction form
    80,201.44/120,301.62 = 62,686/x
  3. Step 3: Cross multiply
    80,201.44x = 120,301.62 × 62,686
  4. Step 4: Simplify right side
    80,201.44x = 7,541,227,351.32
  5. Step 5: Solve for x
    x = 7,541,227,351.32/80,201.44
  6. Step 6: Final answer
    x = 94,028.58

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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.