Home / 68,641.68-102,997.83-51,996.18

Finding the Fourth Proportional to 68,641.68, 102,997.83 and 51,996.18

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Solution

The fourth proportional to 68,641.68, 102,997.83 and 51,996.18 is: 78,021.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,641.68 : 102,997.83 = 51,996.18 : x
  2. Step 2: Convert to fraction form
    68,641.68/102,997.83 = 51,996.18/x
  3. Step 3: Cross multiply
    68,641.68x = 102,997.83 × 51,996.18
  4. Step 4: Simplify right side
    68,641.68x = 5,355,493,708.29
  5. Step 5: Solve for x
    x = 5,355,493,708.29/68,641.68
  6. Step 6: Final answer
    x = 78,021.02

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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.