Home / 116,944.44-161,379.66-65,972.76

Finding the Fourth Proportional to 116,944.44, 161,379.66 and 65,972.76

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Solution

The fourth proportional to 116,944.44, 161,379.66 and 65,972.76 is: 91,040.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,944.44 : 161,379.66 = 65,972.76 : x
  2. Step 2: Convert to fraction form
    116,944.44/161,379.66 = 65,972.76/x
  3. Step 3: Cross multiply
    116,944.44x = 161,379.66 × 65,972.76
  4. Step 4: Simplify right side
    116,944.44x = 10,646,661,578.06
  5. Step 5: Solve for x
    x = 10,646,661,578.06/116,944.44
  6. Step 6: Final answer
    x = 91,040.34

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1.5x scale

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.