Home / 75,145.56-112,706.68-33,016.36

Finding the Fourth Proportional to 75,145.56, 112,706.68 and 33,016.36

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Solution

The fourth proportional to 75,145.56, 112,706.68 and 33,016.36 is: 49,519.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,145.56 : 112,706.68 = 33,016.36 : x
  2. Step 2: Convert to fraction form
    75,145.56/112,706.68 = 33,016.36/x
  3. Step 3: Cross multiply
    75,145.56x = 112,706.68 × 33,016.36
  4. Step 4: Simplify right side
    75,145.56x = 3,721,164,321.28
  5. Step 5: Solve for x
    x = 3,721,164,321.28/75,145.56
  6. Step 6: Final answer
    x = 49,519.42

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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.