Home / 105,467.97-158,197.86-38,879.29

Finding the Fourth Proportional to 105,467.97, 158,197.86 and 38,879.29

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Solution

The fourth proportional to 105,467.97, 158,197.86 and 38,879.29 is: 58,317.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,467.97 : 158,197.86 = 38,879.29 : x
  2. Step 2: Convert to fraction form
    105,467.97/158,197.86 = 38,879.29/x
  3. Step 3: Cross multiply
    105,467.97x = 158,197.86 × 38,879.29
  4. Step 4: Simplify right side
    105,467.97x = 6,150,620,674.07
  5. Step 5: Solve for x
    x = 6,150,620,674.07/105,467.97
  6. Step 6: Final answer
    x = 58,317.43

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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.