Home / 100,882.73-151,324.14-30,761.48

Finding the Fourth Proportional to 100,882.73, 151,324.14 and 30,761.48

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Solution

The fourth proportional to 100,882.73, 151,324.14 and 30,761.48 is: 46,142.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,882.73 : 151,324.14 = 30,761.48 : x
  2. Step 2: Convert to fraction form
    100,882.73/151,324.14 = 30,761.48/x
  3. Step 3: Cross multiply
    100,882.73x = 151,324.14 × 30,761.48
  4. Step 4: Simplify right side
    100,882.73x = 4,654,954,506.13
  5. Step 5: Solve for x
    x = 4,654,954,506.13/100,882.73
  6. Step 6: Final answer
    x = 46,142.23

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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.