Home / 66,716.12-92,067.87-36,500.88

Finding the Fourth Proportional to 66,716.12, 92,067.87 and 36,500.88

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Solution

The fourth proportional to 66,716.12, 92,067.87 and 36,500.88 is: 50,371.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,716.12 : 92,067.87 = 36,500.88 : x
  2. Step 2: Convert to fraction form
    66,716.12/92,067.87 = 36,500.88/x
  3. Step 3: Cross multiply
    66,716.12x = 92,067.87 × 36,500.88
  4. Step 4: Simplify right side
    66,716.12x = 3,360,558,274.73
  5. Step 5: Solve for x
    x = 3,360,558,274.73/66,716.12
  6. Step 6: Final answer
    x = 50,371.01

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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.