Home / 94,137.01-140,375.11-81,073.33

Finding the Fourth Proportional to 94,137.01, 140,375.11 and 81,073.33

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Solution

The fourth proportional to 94,137.01, 140,375.11 and 81,073.33 is: 120,894.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,137.01 : 140,375.11 = 81,073.33 : x
  2. Step 2: Convert to fraction form
    94,137.01/140,375.11 = 81,073.33/x
  3. Step 3: Cross multiply
    94,137.01x = 140,375.11 × 81,073.33
  4. Step 4: Simplify right side
    94,137.01x = 11,380,677,616.82
  5. Step 5: Solve for x
    x = 11,380,677,616.82/94,137.01
  6. Step 6: Final answer
    x = 120,894.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.