Home / 73,481.22-110,213.70-20,177.28

Finding the Fourth Proportional to 73,481.22, 110,213.70 and 20,177.28

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Solution

The fourth proportional to 73,481.22, 110,213.70 and 20,177.28 is: 30,263.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,481.22 : 110,213.70 = 20,177.28 : x
  2. Step 2: Convert to fraction form
    73,481.22/110,213.70 = 20,177.28/x
  3. Step 3: Cross multiply
    73,481.22x = 110,213.70 × 20,177.28
  4. Step 4: Simplify right side
    73,481.22x = 2,223,812,684.74
  5. Step 5: Solve for x
    x = 2,223,812,684.74/73,481.22
  6. Step 6: Final answer
    x = 30,263.69

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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.