Home / 66,067.14-91,172.72-37,773.42

Finding the Fourth Proportional to 66,067.14, 91,172.72 and 37,773.42

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Solution

The fourth proportional to 66,067.14, 91,172.72 and 37,773.42 is: 52,127.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,067.14 : 91,172.72 = 37,773.42 : x
  2. Step 2: Convert to fraction form
    66,067.14/91,172.72 = 37,773.42/x
  3. Step 3: Cross multiply
    66,067.14x = 91,172.72 × 37,773.42
  4. Step 4: Simplify right side
    66,067.14x = 3,443,905,256.24
  5. Step 5: Solve for x
    x = 3,443,905,256.24/66,067.14
  6. Step 6: Final answer
    x = 52,127.35

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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.