Home / 82,400.41-113,721.04-50,137.37

Finding the Fourth Proportional to 82,400.41, 113,721.04 and 50,137.37

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Solution

The fourth proportional to 82,400.41, 113,721.04 and 50,137.37 is: 69,194.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,400.41 : 113,721.04 = 50,137.37 : x
  2. Step 2: Convert to fraction form
    82,400.41/113,721.04 = 50,137.37/x
  3. Step 3: Cross multiply
    82,400.41x = 113,721.04 × 50,137.37
  4. Step 4: Simplify right side
    82,400.41x = 5,701,674,198.49
  5. Step 5: Solve for x
    x = 5,701,674,198.49/82,400.41
  6. Step 6: Final answer
    x = 69,194.73

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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.