Home / 69,151.22-103,751.43-34,115.48

Finding the Fourth Proportional to 69,151.22, 103,751.43 and 34,115.48

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Solution

The fourth proportional to 69,151.22, 103,751.43 and 34,115.48 is: 51,185.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,151.22 : 103,751.43 = 34,115.48 : x
  2. Step 2: Convert to fraction form
    69,151.22/103,751.43 = 34,115.48/x
  3. Step 3: Cross multiply
    69,151.22x = 103,751.43 × 34,115.48
  4. Step 4: Simplify right side
    69,151.22x = 3,539,529,769.41
  5. Step 5: Solve for x
    x = 3,539,529,769.41/69,151.22
  6. Step 6: Final answer
    x = 51,185.36

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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.