Home / 126,804.75-174,990.24-73,089.33

Finding the Fourth Proportional to 126,804.75, 174,990.24 and 73,089.33

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Solution

The fourth proportional to 126,804.75, 174,990.24 and 73,089.33 is: 100,863.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,804.75 : 174,990.24 = 73,089.33 : x
  2. Step 2: Convert to fraction form
    126,804.75/174,990.24 = 73,089.33/x
  3. Step 3: Cross multiply
    126,804.75x = 174,990.24 × 73,089.33
  4. Step 4: Simplify right side
    126,804.75x = 12,789,919,398.14
  5. Step 5: Solve for x
    x = 12,789,919,398.14/126,804.75
  6. Step 6: Final answer
    x = 100,863.09

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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.