Home / 116,817.97-161,208.64-63,102.97

Finding the Fourth Proportional to 116,817.97, 161,208.64 and 63,102.97

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Solution

The fourth proportional to 116,817.97, 161,208.64 and 63,102.97 is: 87,082.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,817.97 : 161,208.64 = 63,102.97 : x
  2. Step 2: Convert to fraction form
    116,817.97/161,208.64 = 63,102.97/x
  3. Step 3: Cross multiply
    116,817.97x = 161,208.64 × 63,102.97
  4. Step 4: Simplify right side
    116,817.97x = 10,172,743,658.15
  5. Step 5: Solve for x
    x = 10,172,743,658.15/116,817.97
  6. Step 6: Final answer
    x = 87,082.01

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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.