Home / 104,910.30-144,776.22-57,163.64

Finding the Fourth Proportional to 104,910.30, 144,776.22 and 57,163.64

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Solution

The fourth proportional to 104,910.30, 144,776.22 and 57,163.64 is: 78,885.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,910.30 : 144,776.22 = 57,163.64 : x
  2. Step 2: Convert to fraction form
    104,910.30/144,776.22 = 57,163.64/x
  3. Step 3: Cross multiply
    104,910.30x = 144,776.22 × 57,163.64
  4. Step 4: Simplify right side
    104,910.30x = 8,275,935,720.64
  5. Step 5: Solve for x
    x = 8,275,935,720.64/104,910.30
  6. Step 6: Final answer
    x = 78,885.83

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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.