Home / 79,512.66-109,729.98-43,705.44

Finding the Fourth Proportional to 79,512.66, 109,729.98 and 43,705.44

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Solution

The fourth proportional to 79,512.66, 109,729.98 and 43,705.44 is: 60,314.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,512.66 : 109,729.98 = 43,705.44 : x
  2. Step 2: Convert to fraction form
    79,512.66/109,729.98 = 43,705.44/x
  3. Step 3: Cross multiply
    79,512.66x = 109,729.98 × 43,705.44
  4. Step 4: Simplify right side
    79,512.66x = 4,795,797,057.09
  5. Step 5: Solve for x
    x = 4,795,797,057.09/79,512.66
  6. Step 6: Final answer
    x = 60,314.89

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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.