Home / 66,281.11-91,466.57-36,067.03

Finding the Fourth Proportional to 66,281.11, 91,466.57 and 36,067.03

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Solution

The fourth proportional to 66,281.11, 91,466.57 and 36,067.03 is: 49,771.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,281.11 : 91,466.57 = 36,067.03 : x
  2. Step 2: Convert to fraction form
    66,281.11/91,466.57 = 36,067.03/x
  3. Step 3: Cross multiply
    66,281.11x = 91,466.57 × 36,067.03
  4. Step 4: Simplify right side
    66,281.11x = 3,298,927,524.19
  5. Step 5: Solve for x
    x = 3,298,927,524.19/66,281.11
  6. Step 6: Final answer
    x = 49,771.76

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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.