Home / 47,912.16-66,120.82-26,691.42

Finding the Fourth Proportional to 47,912.16, 66,120.82 and 26,691.42

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Solution

The fourth proportional to 47,912.16, 66,120.82 and 26,691.42 is: 36,835.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,912.16 : 66,120.82 = 26,691.42 : x
  2. Step 2: Convert to fraction form
    47,912.16/66,120.82 = 26,691.42/x
  3. Step 3: Cross multiply
    47,912.16x = 66,120.82 × 26,691.42
  4. Step 4: Simplify right side
    47,912.16x = 1,764,858,577.36
  5. Step 5: Solve for x
    x = 1,764,858,577.36/47,912.16
  6. Step 6: Final answer
    x = 36,835.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.