Home / 79,343.26-109,490.06-43,532.54

Finding the Fourth Proportional to 79,343.26, 109,490.06 and 43,532.54

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Solution

The fourth proportional to 79,343.26, 109,490.06 and 43,532.54 is: 60,072.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,343.26 : 109,490.06 = 43,532.54 : x
  2. Step 2: Convert to fraction form
    79,343.26/109,490.06 = 43,532.54/x
  3. Step 3: Cross multiply
    79,343.26x = 109,490.06 × 43,532.54
  4. Step 4: Simplify right side
    79,343.26x = 4,766,380,416.55
  5. Step 5: Solve for x
    x = 4,766,380,416.55/79,343.26
  6. Step 6: Final answer
    x = 60,072.91

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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.