Home / 126,048.75-189,100.46-37,308.49

Finding the Fourth Proportional to 126,048.75, 189,100.46 and 37,308.49

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Solution

The fourth proportional to 126,048.75, 189,100.46 and 37,308.49 is: 55,970.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,048.75 : 189,100.46 = 37,308.49 : x
  2. Step 2: Convert to fraction form
    126,048.75/189,100.46 = 37,308.49/x
  3. Step 3: Cross multiply
    126,048.75x = 189,100.46 × 37,308.49
  4. Step 4: Simplify right side
    126,048.75x = 7,055,052,620.91
  5. Step 5: Solve for x
    x = 7,055,052,620.91/126,048.75
  6. Step 6: Final answer
    x = 55,970.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.