Home / 104,538.87-144,259.92-56,791.26

Finding the Fourth Proportional to 104,538.87, 144,259.92 and 56,791.26

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Solution

The fourth proportional to 104,538.87, 144,259.92 and 56,791.26 is: 78,369.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,538.87 : 144,259.92 = 56,791.26 : x
  2. Step 2: Convert to fraction form
    104,538.87/144,259.92 = 56,791.26/x
  3. Step 3: Cross multiply
    104,538.87x = 144,259.92 × 56,791.26
  4. Step 4: Simplify right side
    104,538.87x = 8,192,702,624.30
  5. Step 5: Solve for x
    x = 8,192,702,624.30/104,538.87
  6. Step 6: Final answer
    x = 78,369.92

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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.