Home / 122,179.07-168,611.68-68,462.09

Finding the Fourth Proportional to 122,179.07, 168,611.68 and 68,462.09

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Solution

The fourth proportional to 122,179.07, 168,611.68 and 68,462.09 is: 94,480.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,179.07 : 168,611.68 = 68,462.09 : x
  2. Step 2: Convert to fraction form
    122,179.07/168,611.68 = 68,462.09/x
  3. Step 3: Cross multiply
    122,179.07x = 168,611.68 × 68,462.09
  4. Step 4: Simplify right side
    122,179.07x = 11,543,508,449.37
  5. Step 5: Solve for x
    x = 11,543,508,449.37/122,179.07
  6. Step 6: Final answer
    x = 94,480.25

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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.