Home / 74,944.36-112,455.42-33,381.64

Finding the Fourth Proportional to 74,944.36, 112,455.42 and 33,381.64

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Solution

The fourth proportional to 74,944.36, 112,455.42 and 33,381.64 is: 50,089.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,944.36 : 112,455.42 = 33,381.64 : x
  2. Step 2: Convert to fraction form
    74,944.36/112,455.42 = 33,381.64/x
  3. Step 3: Cross multiply
    74,944.36x = 112,455.42 × 33,381.64
  4. Step 4: Simplify right side
    74,944.36x = 3,753,946,346.49
  5. Step 5: Solve for x
    x = 3,753,946,346.49/74,944.36
  6. Step 6: Final answer
    x = 50,089.78

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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.