Home / 69,091.72-103,622.10-26,972.80

Finding the Fourth Proportional to 69,091.72, 103,622.10 and 26,972.80

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Solution

The fourth proportional to 69,091.72, 103,622.10 and 26,972.80 is: 40,453.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,091.72 : 103,622.10 = 26,972.80 : x
  2. Step 2: Convert to fraction form
    69,091.72/103,622.10 = 26,972.80/x
  3. Step 3: Cross multiply
    69,091.72x = 103,622.10 × 26,972.80
  4. Step 4: Simplify right side
    69,091.72x = 2,794,978,178.88
  5. Step 5: Solve for x
    x = 2,794,978,178.88/69,091.72
  6. Step 6: Final answer
    x = 40,453.16

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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.