Home / 100,660.66-151,007.39-33,172.57

Finding the Fourth Proportional to 100,660.66, 151,007.39 and 33,172.57

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Solution

The fourth proportional to 100,660.66, 151,007.39 and 33,172.57 is: 49,764.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,660.66 : 151,007.39 = 33,172.57 : x
  2. Step 2: Convert to fraction form
    100,660.66/151,007.39 = 33,172.57/x
  3. Step 3: Cross multiply
    100,660.66x = 151,007.39 × 33,172.57
  4. Step 4: Simplify right side
    100,660.66x = 5,009,303,362.59
  5. Step 5: Solve for x
    x = 5,009,303,362.59/100,660.66
  6. Step 6: Final answer
    x = 49,764.26

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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.