Home / 122,620.14-169,230.92-68,904

Finding the Fourth Proportional to 122,620.14, 169,230.92 and 68,904

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Solution

The fourth proportional to 122,620.14, 169,230.92 and 68,904 is: 95,096.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,620.14 : 169,230.92 = 68,904 : x
  2. Step 2: Convert to fraction form
    122,620.14/169,230.92 = 68,904/x
  3. Step 3: Cross multiply
    122,620.14x = 169,230.92 × 68,904
  4. Step 4: Simplify right side
    122,620.14x = 11,660,686,967.16
  5. Step 5: Solve for x
    x = 11,660,686,967.16/122,620.14
  6. Step 6: Final answer
    x = 95,096.02

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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.