Home / 104,909.80-144,773.64-57,163.48

Finding the Fourth Proportional to 104,909.80, 144,773.64 and 57,163.48

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Solution

The fourth proportional to 104,909.80, 144,773.64 and 57,163.48 is: 78,884.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,909.80 : 144,773.64 = 57,163.48 : x
  2. Step 2: Convert to fraction form
    104,909.80/144,773.64 = 57,163.48/x
  3. Step 3: Cross multiply
    104,909.80x = 144,773.64 × 57,163.48
  4. Step 4: Simplify right side
    104,909.80x = 8,275,765,074.67
  5. Step 5: Solve for x
    x = 8,275,765,074.67/104,909.80
  6. Step 6: Final answer
    x = 78,884.58

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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.