Home / 116,961.13-161,396.54-69,206.11

Finding the Fourth Proportional to 116,961.13, 161,396.54 and 69,206.11

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Solution

The fourth proportional to 116,961.13, 161,396.54 and 69,206.11 is: 95,498.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,961.13 : 161,396.54 = 69,206.11 : x
  2. Step 2: Convert to fraction form
    116,961.13/161,396.54 = 69,206.11/x
  3. Step 3: Cross multiply
    116,961.13x = 161,396.54 × 69,206.11
  4. Step 4: Simplify right side
    116,961.13x = 11,169,625,893.88
  5. Step 5: Solve for x
    x = 11,169,625,893.88/116,961.13
  6. Step 6: Final answer
    x = 95,498.62

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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.