Home / 74,257.90-111,385.83-18,098.44

Finding the Fourth Proportional to 74,257.90, 111,385.83 and 18,098.44

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Solution

The fourth proportional to 74,257.90, 111,385.83 and 18,098.44 is: 27,147.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,257.90 : 111,385.83 = 18,098.44 : x
  2. Step 2: Convert to fraction form
    74,257.90/111,385.83 = 18,098.44/x
  3. Step 3: Cross multiply
    74,257.90x = 111,385.83 × 18,098.44
  4. Step 4: Simplify right side
    74,257.90x = 2,015,909,550.51
  5. Step 5: Solve for x
    x = 2,015,909,550.51/74,257.90
  6. Step 6: Final answer
    x = 27,147.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.