Home / 104,909.56-144,773.37-57,163.30

Finding the Fourth Proportional to 104,909.56, 144,773.37 and 57,163.30

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Solution

The fourth proportional to 104,909.56, 144,773.37 and 57,163.30 is: 78,884.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,909.56 : 144,773.37 = 57,163.30 : x
  2. Step 2: Convert to fraction form
    104,909.56/144,773.37 = 57,163.30/x
  3. Step 3: Cross multiply
    104,909.56x = 144,773.37 × 57,163.30
  4. Step 4: Simplify right side
    104,909.56x = 8,275,723,581.32
  5. Step 5: Solve for x
    x = 8,275,723,581.32/104,909.56
  6. Step 6: Final answer
    x = 78,884.36

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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.