Home / 95,198.15-142,809.48-31,991.02

Finding the Fourth Proportional to 95,198.15, 142,809.48 and 31,991.02

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Solution

The fourth proportional to 95,198.15, 142,809.48 and 31,991.02 is: 47,990.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,198.15 : 142,809.48 = 31,991.02 : x
  2. Step 2: Convert to fraction form
    95,198.15/142,809.48 = 31,991.02/x
  3. Step 3: Cross multiply
    95,198.15x = 142,809.48 × 31,991.02
  4. Step 4: Simplify right side
    95,198.15x = 4,568,620,573.85
  5. Step 5: Solve for x
    x = 4,568,620,573.85/95,198.15
  6. Step 6: Final answer
    x = 47,990.64

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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.