Home / 77,546.06-116,318.66-30,194.09

Finding the Fourth Proportional to 77,546.06, 116,318.66 and 30,194.09

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Solution

The fourth proportional to 77,546.06, 116,318.66 and 30,194.09 is: 45,290.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,546.06 : 116,318.66 = 30,194.09 : x
  2. Step 2: Convert to fraction form
    77,546.06/116,318.66 = 30,194.09/x
  3. Step 3: Cross multiply
    77,546.06x = 116,318.66 × 30,194.09
  4. Step 4: Simplify right side
    77,546.06x = 3,512,135,356.16
  5. Step 5: Solve for x
    x = 3,512,135,356.16/77,546.06
  6. Step 6: Final answer
    x = 45,290.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.