Home / 95,455.44-131,721.84-55,137.60

Finding the Fourth Proportional to 95,455.44, 131,721.84 and 55,137.60

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Solution

The fourth proportional to 95,455.44, 131,721.84 and 55,137.60 is: 76,086.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,455.44 : 131,721.84 = 55,137.60 : x
  2. Step 2: Convert to fraction form
    95,455.44/131,721.84 = 55,137.60/x
  3. Step 3: Cross multiply
    95,455.44x = 131,721.84 × 55,137.60
  4. Step 4: Simplify right side
    95,455.44x = 7,262,826,125.18
  5. Step 5: Solve for x
    x = 7,262,826,125.18/95,455.44
  6. Step 6: Final answer
    x = 76,086.04

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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.