Home / 79,629.48-109,886.36-43,819.47

Finding the Fourth Proportional to 79,629.48, 109,886.36 and 43,819.47

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Solution

The fourth proportional to 79,629.48, 109,886.36 and 43,819.47 is: 60,469.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,629.48 : 109,886.36 = 43,819.47 : x
  2. Step 2: Convert to fraction form
    79,629.48/109,886.36 = 43,819.47/x
  3. Step 3: Cross multiply
    79,629.48x = 109,886.36 × 43,819.47
  4. Step 4: Simplify right side
    79,629.48x = 4,815,161,836.33
  5. Step 5: Solve for x
    x = 4,815,161,836.33/79,629.48
  6. Step 6: Final answer
    x = 60,469.59

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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.