Home / 118,768.41-163,894.05-65,043.27

Finding the Fourth Proportional to 118,768.41, 163,894.05 and 65,043.27

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Solution

The fourth proportional to 118,768.41, 163,894.05 and 65,043.27 is: 89,756.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,768.41 : 163,894.05 = 65,043.27 : x
  2. Step 2: Convert to fraction form
    118,768.41/163,894.05 = 65,043.27/x
  3. Step 3: Cross multiply
    118,768.41x = 163,894.05 × 65,043.27
  4. Step 4: Simplify right side
    118,768.41x = 10,660,204,945.54
  5. Step 5: Solve for x
    x = 10,660,204,945.54/118,768.41
  6. Step 6: Final answer
    x = 89,756.23

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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.