Home / 79,361.25-109,519.86-43,554.60

Finding the Fourth Proportional to 79,361.25, 109,519.86 and 43,554.60

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Solution

The fourth proportional to 79,361.25, 109,519.86 and 43,554.60 is: 60,106.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,361.25 : 109,519.86 = 43,554.60 : x
  2. Step 2: Convert to fraction form
    79,361.25/109,519.86 = 43,554.60/x
  3. Step 3: Cross multiply
    79,361.25x = 109,519.86 × 43,554.60
  4. Step 4: Simplify right side
    79,361.25x = 4,770,093,694.36
  5. Step 5: Solve for x
    x = 4,770,093,694.36/79,361.25
  6. Step 6: Final answer
    x = 60,106.08

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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.