Home / 112,858.21-169,309.43-41,781.43

Finding the Fourth Proportional to 112,858.21, 169,309.43 and 41,781.43

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Solution

The fourth proportional to 112,858.21, 169,309.43 and 41,781.43 is: 62,680.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,858.21 : 169,309.43 = 41,781.43 : x
  2. Step 2: Convert to fraction form
    112,858.21/169,309.43 = 41,781.43/x
  3. Step 3: Cross multiply
    112,858.21x = 169,309.43 × 41,781.43
  4. Step 4: Simplify right side
    112,858.21x = 7,073,990,097.88
  5. Step 5: Solve for x
    x = 7,073,990,097.88/112,858.21
  6. Step 6: Final answer
    x = 62,680.33

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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.