Home / 49,137.77-73,735.21-20,672.64

Finding the Fourth Proportional to 49,137.77, 73,735.21 and 20,672.64

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Solution

The fourth proportional to 49,137.77, 73,735.21 and 20,672.64 is: 31,020.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,137.77 : 73,735.21 = 20,672.64 : x
  2. Step 2: Convert to fraction form
    49,137.77/73,735.21 = 20,672.64/x
  3. Step 3: Cross multiply
    49,137.77x = 73,735.21 × 20,672.64
  4. Step 4: Simplify right side
    49,137.77x = 1,524,301,477.50
  5. Step 5: Solve for x
    x = 1,524,301,477.50/49,137.77
  6. Step 6: Final answer
    x = 31,020.97

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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.