Home / 100,716.40-151,042.24-33,233.32

Finding the Fourth Proportional to 100,716.40, 151,042.24 and 33,233.32

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Solution

The fourth proportional to 100,716.40, 151,042.24 and 33,233.32 is: 49,839.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,716.40 : 151,042.24 = 33,233.32 : x
  2. Step 2: Convert to fraction form
    100,716.40/151,042.24 = 33,233.32/x
  3. Step 3: Cross multiply
    100,716.40x = 151,042.24 × 33,233.32
  4. Step 4: Simplify right side
    100,716.40x = 5,019,635,095.44
  5. Step 5: Solve for x
    x = 5,019,635,095.44/100,716.40
  6. Step 6: Final answer
    x = 49,839.30

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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.