Home / 107,087.82-160,639.62-28,201.50

Finding the Fourth Proportional to 107,087.82, 160,639.62 and 28,201.50

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Solution

The fourth proportional to 107,087.82, 160,639.62 and 28,201.50 is: 42,304.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,087.82 : 160,639.62 = 28,201.50 : x
  2. Step 2: Convert to fraction form
    107,087.82/160,639.62 = 28,201.50/x
  3. Step 3: Cross multiply
    107,087.82x = 160,639.62 × 28,201.50
  4. Step 4: Simplify right side
    107,087.82x = 4,530,278,243.43
  5. Step 5: Solve for x
    x = 4,530,278,243.43/107,087.82
  6. Step 6: Final answer
    x = 42,304.33

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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.