Home / 100,372.20-150,534-33,795.06

Finding the Fourth Proportional to 100,372.20, 150,534 and 33,795.06

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Solution

The fourth proportional to 100,372.20, 150,534 and 33,795.06 is: 50,684.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,372.20 : 150,534 = 33,795.06 : x
  2. Step 2: Convert to fraction form
    100,372.20/150,534 = 33,795.06/x
  3. Step 3: Cross multiply
    100,372.20x = 150,534 × 33,795.06
  4. Step 4: Simplify right side
    100,372.20x = 5,087,305,562.04
  5. Step 5: Solve for x
    x = 5,087,305,562.04/100,372.20
  6. Step 6: Final answer
    x = 50,684.41

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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.