Home / 43,859.08-65,789.22-12,694.36

Finding the Fourth Proportional to 43,859.08, 65,789.22 and 12,694.36

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Solution

The fourth proportional to 43,859.08, 65,789.22 and 12,694.36 is: 19,041.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,859.08 : 65,789.22 = 12,694.36 : x
  2. Step 2: Convert to fraction form
    43,859.08/65,789.22 = 12,694.36/x
  3. Step 3: Cross multiply
    43,859.08x = 65,789.22 × 12,694.36
  4. Step 4: Simplify right side
    43,859.08x = 835,152,042.80
  5. Step 5: Solve for x
    x = 835,152,042.80/43,859.08
  6. Step 6: Final answer
    x = 19,041.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.