Home / 68,120.62-102,181.50-23,747.29

Finding the Fourth Proportional to 68,120.62, 102,181.50 and 23,747.29

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Solution

The fourth proportional to 68,120.62, 102,181.50 and 23,747.29 is: 35,621.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,120.62 : 102,181.50 = 23,747.29 : x
  2. Step 2: Convert to fraction form
    68,120.62/102,181.50 = 23,747.29/x
  3. Step 3: Cross multiply
    68,120.62x = 102,181.50 × 23,747.29
  4. Step 4: Simplify right side
    68,120.62x = 2,426,533,457.68
  5. Step 5: Solve for x
    x = 2,426,533,457.68/68,120.62
  6. Step 6: Final answer
    x = 35,621.13

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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.