Home / 92,072.25-138,107.99-25,512.19

Finding the Fourth Proportional to 92,072.25, 138,107.99 and 25,512.19

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Solution

The fourth proportional to 92,072.25, 138,107.99 and 25,512.19 is: 38,268.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,072.25 : 138,107.99 = 25,512.19 : x
  2. Step 2: Convert to fraction form
    92,072.25/138,107.99 = 25,512.19/x
  3. Step 3: Cross multiply
    92,072.25x = 138,107.99 × 25,512.19
  4. Step 4: Simplify right side
    92,072.25x = 3,523,436,999.91
  5. Step 5: Solve for x
    x = 3,523,436,999.91/92,072.25
  6. Step 6: Final answer
    x = 38,268.18

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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.