Home / 118,945.94-164,130.27-67,961.97

Finding the Fourth Proportional to 118,945.94, 164,130.27 and 67,961.97

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Solution

The fourth proportional to 118,945.94, 164,130.27 and 67,961.97 is: 93,778.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,945.94 : 164,130.27 = 67,961.97 : x
  2. Step 2: Convert to fraction form
    118,945.94/164,130.27 = 67,961.97/x
  3. Step 3: Cross multiply
    118,945.94x = 164,130.27 × 67,961.97
  4. Step 4: Simplify right side
    118,945.94x = 11,154,616,146.02
  5. Step 5: Solve for x
    x = 11,154,616,146.02/118,945.94
  6. Step 6: Final answer
    x = 93,778.87

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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.