Home / 68,060.62-102,091.02-18,138.16

Finding the Fourth Proportional to 68,060.62, 102,091.02 and 18,138.16

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Solution

The fourth proportional to 68,060.62, 102,091.02 and 18,138.16 is: 27,207.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,060.62 : 102,091.02 = 18,138.16 : x
  2. Step 2: Convert to fraction form
    68,060.62/102,091.02 = 18,138.16/x
  3. Step 3: Cross multiply
    68,060.62x = 102,091.02 × 18,138.16
  4. Step 4: Simplify right side
    68,060.62x = 1,851,743,255.32
  5. Step 5: Solve for x
    x = 1,851,743,255.32/68,060.62
  6. Step 6: Final answer
    x = 27,207.26

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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.