Home / 66,512.80-99,682.57-27,023.75

Finding the Fourth Proportional to 66,512.80, 99,682.57 and 27,023.75

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Solution

The fourth proportional to 66,512.80, 99,682.57 and 27,023.75 is: 40,500.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,512.80 : 99,682.57 = 27,023.75 : x
  2. Step 2: Convert to fraction form
    66,512.80/99,682.57 = 27,023.75/x
  3. Step 3: Cross multiply
    66,512.80x = 99,682.57 × 27,023.75
  4. Step 4: Simplify right side
    66,512.80x = 2,693,796,851.04
  5. Step 5: Solve for x
    x = 2,693,796,851.04/66,512.80
  6. Step 6: Final answer
    x = 40,500.43

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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.