Home / 104,107.91-143,668.97-56,361.27

Finding the Fourth Proportional to 104,107.91, 143,668.97 and 56,361.27

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Solution

The fourth proportional to 104,107.91, 143,668.97 and 56,361.27 is: 77,778.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,107.91 : 143,668.97 = 56,361.27 : x
  2. Step 2: Convert to fraction form
    104,107.91/143,668.97 = 56,361.27/x
  3. Step 3: Cross multiply
    104,107.91x = 143,668.97 × 56,361.27
  4. Step 4: Simplify right side
    104,107.91x = 8,097,365,110.44
  5. Step 5: Solve for x
    x = 8,097,365,110.44/104,107.91
  6. Step 6: Final answer
    x = 77,778.58

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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.