Home / 116,935.75-161,371.72-63,221.14

Finding the Fourth Proportional to 116,935.75, 161,371.72 and 63,221.14

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Solution

The fourth proportional to 116,935.75, 161,371.72 and 63,221.14 is: 87,245.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,935.75 : 161,371.72 = 63,221.14 : x
  2. Step 2: Convert to fraction form
    116,935.75/161,371.72 = 63,221.14/x
  3. Step 3: Cross multiply
    116,935.75x = 161,371.72 × 63,221.14
  4. Step 4: Simplify right side
    116,935.75x = 10,202,104,566.93
  5. Step 5: Solve for x
    x = 10,202,104,566.93/116,935.75
  6. Step 6: Final answer
    x = 87,245.39

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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.