Home / 79,435.26-109,621.41-43,626

Finding the Fourth Proportional to 79,435.26, 109,621.41 and 43,626

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Solution

The fourth proportional to 79,435.26, 109,621.41 and 43,626 is: 60,204.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,435.26 : 109,621.41 = 43,626 : x
  2. Step 2: Convert to fraction form
    79,435.26/109,621.41 = 43,626/x
  3. Step 3: Cross multiply
    79,435.26x = 109,621.41 × 43,626
  4. Step 4: Simplify right side
    79,435.26x = 4,782,343,632.66
  5. Step 5: Solve for x
    x = 4,782,343,632.66/79,435.26
  6. Step 6: Final answer
    x = 60,204.29

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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.