Home / 92,318.43-138,422.19-36,091.56

Finding the Fourth Proportional to 92,318.43, 138,422.19 and 36,091.56

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Solution

The fourth proportional to 92,318.43, 138,422.19 and 36,091.56 is: 54,115.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,318.43 : 138,422.19 = 36,091.56 : x
  2. Step 2: Convert to fraction form
    92,318.43/138,422.19 = 36,091.56/x
  3. Step 3: Cross multiply
    92,318.43x = 138,422.19 × 36,091.56
  4. Step 4: Simplify right side
    92,318.43x = 4,995,872,775.72
  5. Step 5: Solve for x
    x = 4,995,872,775.72/92,318.43
  6. Step 6: Final answer
    x = 54,115.66

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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.