Home / 107,623.89-161,435.97-51,450.80

Finding the Fourth Proportional to 107,623.89, 161,435.97 and 51,450.80

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Solution

The fourth proportional to 107,623.89, 161,435.97 and 51,450.80 is: 77,176.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,623.89 : 161,435.97 = 51,450.80 : x
  2. Step 2: Convert to fraction form
    107,623.89/161,435.97 = 51,450.80/x
  3. Step 3: Cross multiply
    107,623.89x = 161,435.97 × 51,450.80
  4. Step 4: Simplify right side
    107,623.89x = 8,306,008,998.10
  5. Step 5: Solve for x
    x = 8,306,008,998.10/107,623.89
  6. Step 6: Final answer
    x = 77,176.26

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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.