Home / 126,789.06-174,974.37-70,200.44

Finding the Fourth Proportional to 126,789.06, 174,974.37 and 70,200.44

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Solution

The fourth proportional to 126,789.06, 174,974.37 and 70,200.44 is: 96,879.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,789.06 : 174,974.37 = 70,200.44 : x
  2. Step 2: Convert to fraction form
    126,789.06/174,974.37 = 70,200.44/x
  3. Step 3: Cross multiply
    126,789.06x = 174,974.37 × 70,200.44
  4. Step 4: Simplify right side
    126,789.06x = 12,283,277,762.72
  5. Step 5: Solve for x
    x = 12,283,277,762.72/126,789.06
  6. Step 6: Final answer
    x = 96,879.63

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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.