Home / 50,971.92-76,371.60-31,209.21

Finding the Fourth Proportional to 50,971.92, 76,371.60 and 31,209.21

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Solution

The fourth proportional to 50,971.92, 76,371.60 and 31,209.21 is: 46,760.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,971.92 : 76,371.60 = 31,209.21 : x
  2. Step 2: Convert to fraction form
    50,971.92/76,371.60 = 31,209.21/x
  3. Step 3: Cross multiply
    50,971.92x = 76,371.60 × 31,209.21
  4. Step 4: Simplify right side
    50,971.92x = 2,383,497,302.44
  5. Step 5: Solve for x
    x = 2,383,497,302.44/50,971.92
  6. Step 6: Final answer
    x = 46,760.99

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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.