Home / 104,289.63-143,843.22-68,466.57

Finding the Fourth Proportional to 104,289.63, 143,843.22 and 68,466.57

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Solution

The fourth proportional to 104,289.63, 143,843.22 and 68,466.57 is: 94,433.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,289.63 : 143,843.22 = 68,466.57 : x
  2. Step 2: Convert to fraction form
    104,289.63/143,843.22 = 68,466.57/x
  3. Step 3: Cross multiply
    104,289.63x = 143,843.22 × 68,466.57
  4. Step 4: Simplify right side
    104,289.63x = 9,848,451,891.16
  5. Step 5: Solve for x
    x = 9,848,451,891.16/104,289.63
  6. Step 6: Final answer
    x = 94,433.66

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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.