Home / 76,936.37-115,456.10-27,016.65

Finding the Fourth Proportional to 76,936.37, 115,456.10 and 27,016.65

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Solution

The fourth proportional to 76,936.37, 115,456.10 and 27,016.65 is: 40,543.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,936.37 : 115,456.10 = 27,016.65 : x
  2. Step 2: Convert to fraction form
    76,936.37/115,456.10 = 27,016.65/x
  3. Step 3: Cross multiply
    76,936.37x = 115,456.10 × 27,016.65
  4. Step 4: Simplify right side
    76,936.37x = 3,119,236,908.98
  5. Step 5: Solve for x
    x = 3,119,236,908.98/76,936.37
  6. Step 6: Final answer
    x = 40,543.08

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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.