Home / 80,973.56-122,076.96-75,265.52

Finding the Fourth Proportional to 80,973.56, 122,076.96 and 75,265.52

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Solution

The fourth proportional to 80,973.56, 122,076.96 and 75,265.52 is: 113,471.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,973.56 : 122,076.96 = 75,265.52 : x
  2. Step 2: Convert to fraction form
    80,973.56/122,076.96 = 75,265.52/x
  3. Step 3: Cross multiply
    80,973.56x = 122,076.96 × 75,265.52
  4. Step 4: Simplify right side
    80,973.56x = 9,188,185,874.42
  5. Step 5: Solve for x
    x = 9,188,185,874.42/80,973.56
  6. Step 6: Final answer
    x = 113,471.43

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.