Home / 79,183.59-109,274.30-43,375.11

Finding the Fourth Proportional to 79,183.59, 109,274.30 and 43,375.11

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Solution

The fourth proportional to 79,183.59, 109,274.30 and 43,375.11 is: 59,858.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,183.59 : 109,274.30 = 43,375.11 : x
  2. Step 2: Convert to fraction form
    79,183.59/109,274.30 = 43,375.11/x
  3. Step 3: Cross multiply
    79,183.59x = 109,274.30 × 43,375.11
  4. Step 4: Simplify right side
    79,183.59x = 4,739,784,782.67
  5. Step 5: Solve for x
    x = 4,739,784,782.67/79,183.59
  6. Step 6: Final answer
    x = 59,858.17

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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.