Home / 68,105.16-102,187.12-25,997.88

Finding the Fourth Proportional to 68,105.16, 102,187.12 and 25,997.88

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Solution

The fourth proportional to 68,105.16, 102,187.12 and 25,997.88 is: 39,008.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,105.16 : 102,187.12 = 25,997.88 : x
  2. Step 2: Convert to fraction form
    68,105.16/102,187.12 = 25,997.88/x
  3. Step 3: Cross multiply
    68,105.16x = 102,187.12 × 25,997.88
  4. Step 4: Simplify right side
    68,105.16x = 2,656,648,483.31
  5. Step 5: Solve for x
    x = 2,656,648,483.31/68,105.16
  6. Step 6: Final answer
    x = 39,008.04

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1.5x scale

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.