Home / 118,786.62-163,921.26-67,801.98

Finding the Fourth Proportional to 118,786.62, 163,921.26 and 67,801.98

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Solution

The fourth proportional to 118,786.62, 163,921.26 and 67,801.98 is: 93,564.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,786.62 : 163,921.26 = 67,801.98 : x
  2. Step 2: Convert to fraction form
    118,786.62/163,921.26 = 67,801.98/x
  3. Step 3: Cross multiply
    118,786.62x = 163,921.26 × 67,801.98
  4. Step 4: Simplify right side
    118,786.62x = 11,114,185,992.09
  5. Step 5: Solve for x
    x = 11,114,185,992.09/118,786.62
  6. Step 6: Final answer
    x = 93,564.29

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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.