Home / 73,081.06-109,620.78-23,161.12

Finding the Fourth Proportional to 73,081.06, 109,620.78 and 23,161.12

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Solution

The fourth proportional to 73,081.06, 109,620.78 and 23,161.12 is: 34,741.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,081.06 : 109,620.78 = 23,161.12 : x
  2. Step 2: Convert to fraction form
    73,081.06/109,620.78 = 23,161.12/x
  3. Step 3: Cross multiply
    73,081.06x = 109,620.78 × 23,161.12
  4. Step 4: Simplify right side
    73,081.06x = 2,538,940,040.07
  5. Step 5: Solve for x
    x = 2,538,940,040.07/73,081.06
  6. Step 6: Final answer
    x = 34,741.42

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1.5x scale

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.