Home / 69,229.20-103,838.40-27,101.10

Finding the Fourth Proportional to 69,229.20, 103,838.40 and 27,101.10

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Solution

The fourth proportional to 69,229.20, 103,838.40 and 27,101.10 is: 40,649.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,229.20 : 103,838.40 = 27,101.10 : x
  2. Step 2: Convert to fraction form
    69,229.20/103,838.40 = 27,101.10/x
  3. Step 3: Cross multiply
    69,229.20x = 103,838.40 × 27,101.10
  4. Step 4: Simplify right side
    69,229.20x = 2,814,134,862.24
  5. Step 5: Solve for x
    x = 2,814,134,862.24/69,229.20
  6. Step 6: Final answer
    x = 40,649.54

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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.