Home / 73,226.74-109,840.08-20,629.36

Finding the Fourth Proportional to 73,226.74, 109,840.08 and 20,629.36

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Solution

The fourth proportional to 73,226.74, 109,840.08 and 20,629.36 is: 30,944.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,226.74 : 109,840.08 = 20,629.36 : x
  2. Step 2: Convert to fraction form
    73,226.74/109,840.08 = 20,629.36/x
  3. Step 3: Cross multiply
    73,226.74x = 109,840.08 × 20,629.36
  4. Step 4: Simplify right side
    73,226.74x = 2,265,930,552.75
  5. Step 5: Solve for x
    x = 2,265,930,552.75/73,226.74
  6. Step 6: Final answer
    x = 30,944.03

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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.