Home / 122,570.07-169,137.61-68,864.04

Finding the Fourth Proportional to 122,570.07, 169,137.61 and 68,864.04

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Solution

The fourth proportional to 122,570.07, 169,137.61 and 68,864.04 is: 95,027.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,570.07 : 169,137.61 = 68,864.04 : x
  2. Step 2: Convert to fraction form
    122,570.07/169,137.61 = 68,864.04/x
  3. Step 3: Cross multiply
    122,570.07x = 169,137.61 × 68,864.04
  4. Step 4: Simplify right side
    122,570.07x = 11,647,499,140.54
  5. Step 5: Solve for x
    x = 11,647,499,140.54/122,570.07
  6. Step 6: Final answer
    x = 95,027.27

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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.