Home / 92,183.28-138,308.94-74,577.12

Finding the Fourth Proportional to 92,183.28, 138,308.94 and 74,577.12

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Solution

The fourth proportional to 92,183.28, 138,308.94 and 74,577.12 is: 111,893.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,183.28 : 138,308.94 = 74,577.12 : x
  2. Step 2: Convert to fraction form
    92,183.28/138,308.94 = 74,577.12/x
  3. Step 3: Cross multiply
    92,183.28x = 138,308.94 × 74,577.12
  4. Step 4: Simplify right side
    92,183.28x = 10,314,682,415.45
  5. Step 5: Solve for x
    x = 10,314,682,415.45/92,183.28
  6. Step 6: Final answer
    x = 111,893.20

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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.