Home / 116,949.07-161,389.66-65,961.70

Finding the Fourth Proportional to 116,949.07, 161,389.66 and 65,961.70

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Solution

The fourth proportional to 116,949.07, 161,389.66 and 65,961.70 is: 91,027.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,949.07 : 161,389.66 = 65,961.70 : x
  2. Step 2: Convert to fraction form
    116,949.07/161,389.66 = 65,961.70/x
  3. Step 3: Cross multiply
    116,949.07x = 161,389.66 × 65,961.70
  4. Step 4: Simplify right side
    116,949.07x = 10,645,536,336.02
  5. Step 5: Solve for x
    x = 10,645,536,336.02/116,949.07
  6. Step 6: Final answer
    x = 91,027.11

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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.