Home / 122,984.44-169,721.94-75,236.92

Finding the Fourth Proportional to 122,984.44, 169,721.94 and 75,236.92

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Solution

The fourth proportional to 122,984.44, 169,721.94 and 75,236.92 is: 103,829.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,984.44 : 169,721.94 = 75,236.92 : x
  2. Step 2: Convert to fraction form
    122,984.44/169,721.94 = 75,236.92/x
  3. Step 3: Cross multiply
    122,984.44x = 169,721.94 × 75,236.92
  4. Step 4: Simplify right side
    122,984.44x = 12,769,356,022.02
  5. Step 5: Solve for x
    x = 12,769,356,022.02/122,984.44
  6. Step 6: Final answer
    x = 103,829.04

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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.