Home / 47,912.10-66,120.69-26,691.36

Finding the Fourth Proportional to 47,912.10, 66,120.69 and 26,691.36

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Solution

The fourth proportional to 47,912.10, 66,120.69 and 26,691.36 is: 36,835.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,912.10 : 66,120.69 = 26,691.36 : x
  2. Step 2: Convert to fraction form
    47,912.10/66,120.69 = 26,691.36/x
  3. Step 3: Cross multiply
    47,912.10x = 66,120.69 × 26,691.36
  4. Step 4: Simplify right side
    47,912.10x = 1,764,851,140.24
  5. Step 5: Solve for x
    x = 1,764,851,140.24/47,912.10
  6. Step 6: Final answer
    x = 36,835.19

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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.