Home / 112,376.82-168,466.20-45,872.82

Finding the Fourth Proportional to 112,376.82, 168,466.20 and 45,872.82

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Solution

The fourth proportional to 112,376.82, 168,466.20 and 45,872.82 is: 68,768.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,376.82 : 168,466.20 = 45,872.82 : x
  2. Step 2: Convert to fraction form
    112,376.82/168,466.20 = 45,872.82/x
  3. Step 3: Cross multiply
    112,376.82x = 168,466.20 × 45,872.82
  4. Step 4: Simplify right side
    112,376.82x = 7,728,019,668.68
  5. Step 5: Solve for x
    x = 7,728,019,668.68/112,376.82
  6. Step 6: Final answer
    x = 68,768.81

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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.