Home / 116,935.87-161,371.89-63,221.27

Finding the Fourth Proportional to 116,935.87, 161,371.89 and 63,221.27

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Solution

The fourth proportional to 116,935.87, 161,371.89 and 63,221.27 is: 87,245.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,935.87 : 161,371.89 = 63,221.27 : x
  2. Step 2: Convert to fraction form
    116,935.87/161,371.89 = 63,221.27/x
  3. Step 3: Cross multiply
    116,935.87x = 161,371.89 × 63,221.27
  4. Step 4: Simplify right side
    116,935.87x = 10,202,135,784.44
  5. Step 5: Solve for x
    x = 10,202,135,784.44/116,935.87
  6. Step 6: Final answer
    x = 87,245.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.