Home / 118,905.70-164,101.56-67,926.04

Finding the Fourth Proportional to 118,905.70, 164,101.56 and 67,926.04

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Solution

The fourth proportional to 118,905.70, 164,101.56 and 67,926.04 is: 93,744.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,905.70 : 164,101.56 = 67,926.04 : x
  2. Step 2: Convert to fraction form
    118,905.70/164,101.56 = 67,926.04/x
  3. Step 3: Cross multiply
    118,905.70x = 164,101.56 × 67,926.04
  4. Step 4: Simplify right side
    118,905.70x = 11,146,769,128.62
  5. Step 5: Solve for x
    x = 11,146,769,128.62/118,905.70
  6. Step 6: Final answer
    x = 93,744.62

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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.