Home / 133,071.32-199,548.66-49,907

Finding the Fourth Proportional to 133,071.32, 199,548.66 and 49,907

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Solution

The fourth proportional to 133,071.32, 199,548.66 and 49,907 is: 74,838.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,071.32 : 199,548.66 = 49,907 : x
  2. Step 2: Convert to fraction form
    133,071.32/199,548.66 = 49,907/x
  3. Step 3: Cross multiply
    133,071.32x = 199,548.66 × 49,907
  4. Step 4: Simplify right side
    133,071.32x = 9,958,874,974.62
  5. Step 5: Solve for x
    x = 9,958,874,974.62/133,071.32
  6. Step 6: Final answer
    x = 74,838.63

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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.