Home / 68,105.28-102,187.31-25,998.01

Finding the Fourth Proportional to 68,105.28, 102,187.31 and 25,998.01

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Solution

The fourth proportional to 68,105.28, 102,187.31 and 25,998.01 is: 39,008.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,105.28 : 102,187.31 = 25,998.01 : x
  2. Step 2: Convert to fraction form
    68,105.28/102,187.31 = 25,998.01/x
  3. Step 3: Cross multiply
    68,105.28x = 102,187.31 × 25,998.01
  4. Step 4: Simplify right side
    68,105.28x = 2,656,666,321.79
  5. Step 5: Solve for x
    x = 2,656,666,321.79/68,105.28
  6. Step 6: Final answer
    x = 39,008.23

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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.