Home / 69,140.22-103,687.26-27,009.38

Finding the Fourth Proportional to 69,140.22, 103,687.26 and 27,009.38

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Solution

The fourth proportional to 69,140.22, 103,687.26 and 27,009.38 is: 40,505.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,140.22 : 103,687.26 = 27,009.38 : x
  2. Step 2: Convert to fraction form
    69,140.22/103,687.26 = 27,009.38/x
  3. Step 3: Cross multiply
    69,140.22x = 103,687.26 × 27,009.38
  4. Step 4: Simplify right side
    69,140.22x = 2,800,528,764.43
  5. Step 5: Solve for x
    x = 2,800,528,764.43/69,140.22
  6. Step 6: Final answer
    x = 40,505.06

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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.