Home / 69,942.05-104,944.08-36,654.21

Finding the Fourth Proportional to 69,942.05, 104,944.08 and 36,654.21

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Solution

The fourth proportional to 69,942.05, 104,944.08 and 36,654.21 is: 54,997.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,942.05 : 104,944.08 = 36,654.21 : x
  2. Step 2: Convert to fraction form
    69,942.05/104,944.08 = 36,654.21/x
  3. Step 3: Cross multiply
    69,942.05x = 104,944.08 × 36,654.21
  4. Step 4: Simplify right side
    69,942.05x = 3,846,642,090.49
  5. Step 5: Solve for x
    x = 3,846,642,090.49/69,942.05
  6. Step 6: Final answer
    x = 54,997.56

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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.