Home / 126,004.20-189,092.70-55,933.80

Finding the Fourth Proportional to 126,004.20, 189,092.70 and 55,933.80

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Solution

The fourth proportional to 126,004.20, 189,092.70 and 55,933.80 is: 83,939.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,004.20 : 189,092.70 = 55,933.80 : x
  2. Step 2: Convert to fraction form
    126,004.20/189,092.70 = 55,933.80/x
  3. Step 3: Cross multiply
    126,004.20x = 189,092.70 × 55,933.80
  4. Step 4: Simplify right side
    126,004.20x = 10,576,673,263.26
  5. Step 5: Solve for x
    x = 10,576,673,263.26/126,004.20
  6. Step 6: Final answer
    x = 83,939.05

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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.