Home / 88,289.82-132,431.78-38,369.92

Finding the Fourth Proportional to 88,289.82, 132,431.78 and 38,369.92

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Solution

The fourth proportional to 88,289.82, 132,431.78 and 38,369.92 is: 57,553.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,289.82 : 132,431.78 = 38,369.92 : x
  2. Step 2: Convert to fraction form
    88,289.82/132,431.78 = 38,369.92/x
  3. Step 3: Cross multiply
    88,289.82x = 132,431.78 × 38,369.92
  4. Step 4: Simplify right side
    88,289.82x = 5,081,396,804.06
  5. Step 5: Solve for x
    x = 5,081,396,804.06/88,289.82
  6. Step 6: Final answer
    x = 57,553.60

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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.