Home / 68,939.24-95,174.01-41,720.40

Finding the Fourth Proportional to 68,939.24, 95,174.01 and 41,720.40

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Solution

The fourth proportional to 68,939.24, 95,174.01 and 41,720.40 is: 57,597.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,939.24 : 95,174.01 = 41,720.40 : x
  2. Step 2: Convert to fraction form
    68,939.24/95,174.01 = 41,720.40/x
  3. Step 3: Cross multiply
    68,939.24x = 95,174.01 × 41,720.40
  4. Step 4: Simplify right side
    68,939.24x = 3,970,697,766.80
  5. Step 5: Solve for x
    x = 3,970,697,766.80/68,939.24
  6. Step 6: Final answer
    x = 57,597.06

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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.