Home / 104,286.18-143,922.30-58,964.60

Finding the Fourth Proportional to 104,286.18, 143,922.30 and 58,964.60

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Solution

The fourth proportional to 104,286.18, 143,922.30 and 58,964.60 is: 81,375.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,286.18 : 143,922.30 = 58,964.60 : x
  2. Step 2: Convert to fraction form
    104,286.18/143,922.30 = 58,964.60/x
  3. Step 3: Cross multiply
    104,286.18x = 143,922.30 × 58,964.60
  4. Step 4: Simplify right side
    104,286.18x = 8,486,320,850.58
  5. Step 5: Solve for x
    x = 8,486,320,850.58/104,286.18
  6. Step 6: Final answer
    x = 81,375.32

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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.