Home / 87,940.22-131,801.96-50,021.28

Finding the Fourth Proportional to 87,940.22, 131,801.96 and 50,021.28

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Solution

The fourth proportional to 87,940.22, 131,801.96 and 50,021.28 is: 74,970.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,940.22 : 131,801.96 = 50,021.28 : x
  2. Step 2: Convert to fraction form
    87,940.22/131,801.96 = 50,021.28/x
  3. Step 3: Cross multiply
    87,940.22x = 131,801.96 × 50,021.28
  4. Step 4: Simplify right side
    87,940.22x = 6,592,902,870.76
  5. Step 5: Solve for x
    x = 6,592,902,870.76/87,940.22
  6. Step 6: Final answer
    x = 74,970.28

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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.