Home / 79,554.36-109,786.38-43,745.88

Finding the Fourth Proportional to 79,554.36, 109,786.38 and 43,745.88

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Solution

The fourth proportional to 79,554.36, 109,786.38 and 43,745.88 is: 60,370.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,554.36 : 109,786.38 = 43,745.88 : x
  2. Step 2: Convert to fraction form
    79,554.36/109,786.38 = 43,745.88/x
  3. Step 3: Cross multiply
    79,554.36x = 109,786.38 × 43,745.88
  4. Step 4: Simplify right side
    79,554.36x = 4,802,701,805.11
  5. Step 5: Solve for x
    x = 4,802,701,805.11/79,554.36
  6. Step 6: Final answer
    x = 60,370.06

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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.