Home / 74,131.85-111,196.77-17,972.44

Finding the Fourth Proportional to 74,131.85, 111,196.77 and 17,972.44

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Solution

The fourth proportional to 74,131.85, 111,196.77 and 17,972.44 is: 26,958.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,131.85 : 111,196.77 = 17,972.44 : x
  2. Step 2: Convert to fraction form
    74,131.85/111,196.77 = 17,972.44/x
  3. Step 3: Cross multiply
    74,131.85x = 111,196.77 × 17,972.44
  4. Step 4: Simplify right side
    74,131.85x = 1,998,476,931.63
  5. Step 5: Solve for x
    x = 1,998,476,931.63/74,131.85
  6. Step 6: Final answer
    x = 26,958.41

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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.