Home / 126,879.80-175,104.82-70,296.44

Finding the Fourth Proportional to 126,879.80, 175,104.82 and 70,296.44

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Solution

The fourth proportional to 126,879.80, 175,104.82 and 70,296.44 is: 97,015.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,879.80 : 175,104.82 = 70,296.44 : x
  2. Step 2: Convert to fraction form
    126,879.80/175,104.82 = 70,296.44/x
  3. Step 3: Cross multiply
    126,879.80x = 175,104.82 × 70,296.44
  4. Step 4: Simplify right side
    126,879.80x = 12,309,245,472.84
  5. Step 5: Solve for x
    x = 12,309,245,472.84/126,879.80
  6. Step 6: Final answer
    x = 97,015.01

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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.