Home / 122,943.60-169,671.24-69,234.48

Finding the Fourth Proportional to 122,943.60, 169,671.24 and 69,234.48

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Solution

The fourth proportional to 122,943.60, 169,671.24 and 69,234.48 is: 95,548.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,943.60 : 169,671.24 = 69,234.48 : x
  2. Step 2: Convert to fraction form
    122,943.60/169,671.24 = 69,234.48/x
  3. Step 3: Cross multiply
    122,943.60x = 169,671.24 × 69,234.48
  4. Step 4: Simplify right side
    122,943.60x = 11,747,100,072.36
  5. Step 5: Solve for x
    x = 11,747,100,072.36/122,943.60
  6. Step 6: Final answer
    x = 95,548.69

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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.