Home / 100,974.74-151,489.38-30,852.14

Finding the Fourth Proportional to 100,974.74, 151,489.38 and 30,852.14

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Solution

The fourth proportional to 100,974.74, 151,489.38 and 30,852.14 is: 46,286.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,974.74 : 151,489.38 = 30,852.14 : x
  2. Step 2: Convert to fraction form
    100,974.74/151,489.38 = 30,852.14/x
  3. Step 3: Cross multiply
    100,974.74x = 151,489.38 × 30,852.14
  4. Step 4: Simplify right side
    100,974.74x = 4,673,771,560.27
  5. Step 5: Solve for x
    x = 4,673,771,560.27/100,974.74
  6. Step 6: Final answer
    x = 46,286.54

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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.