Home / 87,236.94-120,389.94-49,003.24

Finding the Fourth Proportional to 87,236.94, 120,389.94 and 49,003.24

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Solution

The fourth proportional to 87,236.94, 120,389.94 and 49,003.24 is: 67,626.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,236.94 : 120,389.94 = 49,003.24 : x
  2. Step 2: Convert to fraction form
    87,236.94/120,389.94 = 49,003.24/x
  3. Step 3: Cross multiply
    87,236.94x = 120,389.94 × 49,003.24
  4. Step 4: Simplify right side
    87,236.94x = 5,899,497,123.41
  5. Step 5: Solve for x
    x = 5,899,497,123.41/87,236.94
  6. Step 6: Final answer
    x = 67,626.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.