Home / 66,551.63-91,841.24-38,273.72

Finding the Fourth Proportional to 66,551.63, 91,841.24 and 38,273.72

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Solution

The fourth proportional to 66,551.63, 91,841.24 and 38,273.72 is: 52,817.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,551.63 : 91,841.24 = 38,273.72 : x
  2. Step 2: Convert to fraction form
    66,551.63/91,841.24 = 38,273.72/x
  3. Step 3: Cross multiply
    66,551.63x = 91,841.24 × 38,273.72
  4. Step 4: Simplify right side
    66,551.63x = 3,515,105,540.69
  5. Step 5: Solve for x
    x = 3,515,105,540.69/66,551.63
  6. Step 6: Final answer
    x = 52,817.73

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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.