Home / 68,151.72-102,271.32-33,072.24

Finding the Fourth Proportional to 68,151.72, 102,271.32 and 33,072.24

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Solution

The fourth proportional to 68,151.72, 102,271.32 and 33,072.24 is: 49,629.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,151.72 : 102,271.32 = 33,072.24 : x
  2. Step 2: Convert to fraction form
    68,151.72/102,271.32 = 33,072.24/x
  3. Step 3: Cross multiply
    68,151.72x = 102,271.32 × 33,072.24
  4. Step 4: Simplify right side
    68,151.72x = 3,382,341,640.16
  5. Step 5: Solve for x
    x = 3,382,341,640.16/68,151.72
  6. Step 6: Final answer
    x = 49,629.59

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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.