Home / 110,723.52-165,666.09-67,876.56

Finding the Fourth Proportional to 110,723.52, 165,666.09 and 67,876.56

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Solution

The fourth proportional to 110,723.52, 165,666.09 and 67,876.56 is: 101,557.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,723.52 : 165,666.09 = 67,876.56 : x
  2. Step 2: Convert to fraction form
    110,723.52/165,666.09 = 67,876.56/x
  3. Step 3: Cross multiply
    110,723.52x = 165,666.09 × 67,876.56
  4. Step 4: Simplify right side
    110,723.52x = 11,244,844,297.85
  5. Step 5: Solve for x
    x = 11,244,844,297.85/110,723.52
  6. Step 6: Final answer
    x = 101,557.87

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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.