Home / 100,667.25-151,001.79-30,546.56

Finding the Fourth Proportional to 100,667.25, 151,001.79 and 30,546.56

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Solution

The fourth proportional to 100,667.25, 151,001.79 and 30,546.56 is: 45,820.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,667.25 : 151,001.79 = 30,546.56 : x
  2. Step 2: Convert to fraction form
    100,667.25/151,001.79 = 30,546.56/x
  3. Step 3: Cross multiply
    100,667.25x = 151,001.79 × 30,546.56
  4. Step 4: Simplify right side
    100,667.25x = 4,612,585,501.30
  5. Step 5: Solve for x
    x = 4,612,585,501.30/100,667.25
  6. Step 6: Final answer
    x = 45,820.12

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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.