Home / 79,778.36-110,089.86-43,961.24

Finding the Fourth Proportional to 79,778.36, 110,089.86 and 43,961.24

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Solution

The fourth proportional to 79,778.36, 110,089.86 and 43,961.24 is: 60,664.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,778.36 : 110,089.86 = 43,961.24 : x
  2. Step 2: Convert to fraction form
    79,778.36/110,089.86 = 43,961.24/x
  3. Step 3: Cross multiply
    79,778.36x = 110,089.86 × 43,961.24
  4. Step 4: Simplify right side
    79,778.36x = 4,839,686,757.03
  5. Step 5: Solve for x
    x = 4,839,686,757.03/79,778.36
  6. Step 6: Final answer
    x = 60,664.15

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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.