Home / 118,662.73-163,753.31-64,213.70

Finding the Fourth Proportional to 118,662.73, 163,753.31 and 64,213.70

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Solution

The fourth proportional to 118,662.73, 163,753.31 and 64,213.70 is: 88,614.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,662.73 : 163,753.31 = 64,213.70 : x
  2. Step 2: Convert to fraction form
    118,662.73/163,753.31 = 64,213.70/x
  3. Step 3: Cross multiply
    118,662.73x = 163,753.31 × 64,213.70
  4. Step 4: Simplify right side
    118,662.73x = 10,515,205,922.35
  5. Step 5: Solve for x
    x = 10,515,205,922.35/118,662.73
  6. Step 6: Final answer
    x = 88,614.23

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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.