Home / 79,727.22-110,028.56-43,917.21

Finding the Fourth Proportional to 79,727.22, 110,028.56 and 43,917.21

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Solution

The fourth proportional to 79,727.22, 110,028.56 and 43,917.21 is: 60,608.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,727.22 : 110,028.56 = 43,917.21 : x
  2. Step 2: Convert to fraction form
    79,727.22/110,028.56 = 43,917.21/x
  3. Step 3: Cross multiply
    79,727.22x = 110,028.56 × 43,917.21
  4. Step 4: Simplify right side
    79,727.22x = 4,832,147,155.93
  5. Step 5: Solve for x
    x = 4,832,147,155.93/79,727.22
  6. Step 6: Final answer
    x = 60,608.50

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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.