Home / 126,747.78-174,930.69-73,022.58

Finding the Fourth Proportional to 126,747.78, 174,930.69 and 73,022.58

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Solution

The fourth proportional to 126,747.78, 174,930.69 and 73,022.58 is: 100,781.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,747.78 : 174,930.69 = 73,022.58 : x
  2. Step 2: Convert to fraction form
    126,747.78/174,930.69 = 73,022.58/x
  3. Step 3: Cross multiply
    126,747.78x = 174,930.69 × 73,022.58
  4. Step 4: Simplify right side
    126,747.78x = 12,773,890,304.98
  5. Step 5: Solve for x
    x = 12,773,890,304.98/126,747.78
  6. Step 6: Final answer
    x = 100,781.96

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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.