Home / 110,983.18-166,499.43-51,786.56

Finding the Fourth Proportional to 110,983.18, 166,499.43 and 51,786.56

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Solution

The fourth proportional to 110,983.18, 166,499.43 and 51,786.56 is: 77,691.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,983.18 : 166,499.43 = 51,786.56 : x
  2. Step 2: Convert to fraction form
    110,983.18/166,499.43 = 51,786.56/x
  3. Step 3: Cross multiply
    110,983.18x = 166,499.43 × 51,786.56
  4. Step 4: Simplify right side
    110,983.18x = 8,622,432,721.66
  5. Step 5: Solve for x
    x = 8,622,432,721.66/110,983.18
  6. Step 6: Final answer
    x = 77,691.35

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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.