Home / 118,929.72-164,121.66-68,627.64

Finding the Fourth Proportional to 118,929.72, 164,121.66 and 68,627.64

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Solution

The fourth proportional to 118,929.72, 164,121.66 and 68,627.64 is: 94,705.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,929.72 : 164,121.66 = 68,627.64 : x
  2. Step 2: Convert to fraction form
    118,929.72/164,121.66 = 68,627.64/x
  3. Step 3: Cross multiply
    118,929.72x = 164,121.66 × 68,627.64
  4. Step 4: Simplify right side
    118,929.72x = 11,263,282,198.68
  5. Step 5: Solve for x
    x = 11,263,282,198.68/118,929.72
  6. Step 6: Final answer
    x = 94,705.36

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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.