Home / 112,936.24-169,419.96-38,077.78

Finding the Fourth Proportional to 112,936.24, 169,419.96 and 38,077.78

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Solution

The fourth proportional to 112,936.24, 169,419.96 and 38,077.78 is: 57,121.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,936.24 : 169,419.96 = 38,077.78 : x
  2. Step 2: Convert to fraction form
    112,936.24/169,419.96 = 38,077.78/x
  3. Step 3: Cross multiply
    112,936.24x = 169,419.96 × 38,077.78
  4. Step 4: Simplify right side
    112,936.24x = 6,451,135,964.49
  5. Step 5: Solve for x
    x = 6,451,135,964.49/112,936.24
  6. Step 6: Final answer
    x = 57,121.93

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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.