Home / 45,236.21-67,791.11-38,537.81

Finding the Fourth Proportional to 45,236.21, 67,791.11 and 38,537.81

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Solution

The fourth proportional to 45,236.21, 67,791.11 and 38,537.81 is: 57,752.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,236.21 : 67,791.11 = 38,537.81 : x
  2. Step 2: Convert to fraction form
    45,236.21/67,791.11 = 38,537.81/x
  3. Step 3: Cross multiply
    45,236.21x = 67,791.11 × 38,537.81
  4. Step 4: Simplify right side
    45,236.21x = 2,612,520,724.18
  5. Step 5: Solve for x
    x = 2,612,520,724.18/45,236.21
  6. Step 6: Final answer
    x = 57,752.86

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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.