Home / 116,949.92-161,390.66-65,962.49

Finding the Fourth Proportional to 116,949.92, 161,390.66 and 65,962.49

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Solution

The fourth proportional to 116,949.92, 161,390.66 and 65,962.49 is: 91,028.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,949.92 : 161,390.66 = 65,962.49 : x
  2. Step 2: Convert to fraction form
    116,949.92/161,390.66 = 65,962.49/x
  3. Step 3: Cross multiply
    116,949.92x = 161,390.66 × 65,962.49
  4. Step 4: Simplify right side
    116,949.92x = 10,645,728,659.58
  5. Step 5: Solve for x
    x = 10,645,728,659.58/116,949.92
  6. Step 6: Final answer
    x = 91,028.10

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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.