Home / 126,531.78-189,793.96-33,037.52

Finding the Fourth Proportional to 126,531.78, 189,793.96 and 33,037.52

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Solution

The fourth proportional to 126,531.78, 189,793.96 and 33,037.52 is: 49,555.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,531.78 : 189,793.96 = 33,037.52 : x
  2. Step 2: Convert to fraction form
    126,531.78/189,793.96 = 33,037.52/x
  3. Step 3: Cross multiply
    126,531.78x = 189,793.96 × 33,037.52
  4. Step 4: Simplify right side
    126,531.78x = 6,270,321,749.38
  5. Step 5: Solve for x
    x = 6,270,321,749.38/126,531.78
  6. Step 6: Final answer
    x = 49,555.31

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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.