Home / 122,573.44-169,155.75-68,857.30

Finding the Fourth Proportional to 122,573.44, 169,155.75 and 68,857.30

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Solution

The fourth proportional to 122,573.44, 169,155.75 and 68,857.30 is: 95,025.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,573.44 : 169,155.75 = 68,857.30 : x
  2. Step 2: Convert to fraction form
    122,573.44/169,155.75 = 68,857.30/x
  3. Step 3: Cross multiply
    122,573.44x = 169,155.75 × 68,857.30
  4. Step 4: Simplify right side
    122,573.44x = 11,647,608,224.48
  5. Step 5: Solve for x
    x = 11,647,608,224.48/122,573.44
  6. Step 6: Final answer
    x = 95,025.55

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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.