Home / 126,062.24-189,126.16-47,182.56

Finding the Fourth Proportional to 126,062.24, 189,126.16 and 47,182.56

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Solution

The fourth proportional to 126,062.24, 189,126.16 and 47,182.56 is: 70,786.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,062.24 : 189,126.16 = 47,182.56 : x
  2. Step 2: Convert to fraction form
    126,062.24/189,126.16 = 47,182.56/x
  3. Step 3: Cross multiply
    126,062.24x = 189,126.16 × 47,182.56
  4. Step 4: Simplify right side
    126,062.24x = 8,923,456,391.77
  5. Step 5: Solve for x
    x = 8,923,456,391.77/126,062.24
  6. Step 6: Final answer
    x = 70,786.12

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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.