Home / 81,889.44-122,835.60-29,336.64

Finding the Fourth Proportional to 81,889.44, 122,835.60 and 29,336.64

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Solution

The fourth proportional to 81,889.44, 122,835.60 and 29,336.64 is: 44,005.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,889.44 : 122,835.60 = 29,336.64 : x
  2. Step 2: Convert to fraction form
    81,889.44/122,835.60 = 29,336.64/x
  3. Step 3: Cross multiply
    81,889.44x = 122,835.60 × 29,336.64
  4. Step 4: Simplify right side
    81,889.44x = 3,603,583,776.38
  5. Step 5: Solve for x
    x = 3,603,583,776.38/81,889.44
  6. Step 6: Final answer
    x = 44,005.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.