Home / 79,439.08-109,625.91-43,629.10

Finding the Fourth Proportional to 79,439.08, 109,625.91 and 43,629.10

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Solution

The fourth proportional to 79,439.08, 109,625.91 and 43,629.10 is: 60,208.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,439.08 : 109,625.91 = 43,629.10 : x
  2. Step 2: Convert to fraction form
    79,439.08/109,625.91 = 43,629.10/x
  3. Step 3: Cross multiply
    79,439.08x = 109,625.91 × 43,629.10
  4. Step 4: Simplify right side
    79,439.08x = 4,782,879,789.98
  5. Step 5: Solve for x
    x = 4,782,879,789.98/79,439.08
  6. Step 6: Final answer
    x = 60,208.15

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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.