Home / 100,666.11-150,863.82-50,782.06

Finding the Fourth Proportional to 100,666.11, 150,863.82 and 50,782.06

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Solution

The fourth proportional to 100,666.11, 150,863.82 and 50,782.06 is: 76,104.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,666.11 : 150,863.82 = 50,782.06 : x
  2. Step 2: Convert to fraction form
    100,666.11/150,863.82 = 50,782.06/x
  3. Step 3: Cross multiply
    100,666.11x = 150,863.82 × 50,782.06
  4. Step 4: Simplify right side
    100,666.11x = 7,661,175,559.07
  5. Step 5: Solve for x
    x = 7,661,175,559.07/100,666.11
  6. Step 6: Final answer
    x = 76,104.81

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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.