Home / 104,103.24-143,661.46-56,355.36

Finding the Fourth Proportional to 104,103.24, 143,661.46 and 56,355.36

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Solution

The fourth proportional to 104,103.24, 143,661.46 and 56,355.36 is: 77,769.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,103.24 : 143,661.46 = 56,355.36 : x
  2. Step 2: Convert to fraction form
    104,103.24/143,661.46 = 56,355.36/x
  3. Step 3: Cross multiply
    104,103.24x = 143,661.46 × 56,355.36
  4. Step 4: Simplify right side
    104,103.24x = 8,096,093,296.43
  5. Step 5: Solve for x
    x = 8,096,093,296.43/104,103.24
  6. Step 6: Final answer
    x = 77,769.85

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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.