Home / 126,048.24-189,105.16-47,168.56

Finding the Fourth Proportional to 126,048.24, 189,105.16 and 47,168.56

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Solution

The fourth proportional to 126,048.24, 189,105.16 and 47,168.56 is: 70,765.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,048.24 : 189,105.16 = 47,168.56 : x
  2. Step 2: Convert to fraction form
    126,048.24/189,105.16 = 47,168.56/x
  3. Step 3: Cross multiply
    126,048.24x = 189,105.16 × 47,168.56
  4. Step 4: Simplify right side
    126,048.24x = 8,919,818,085.77
  5. Step 5: Solve for x
    x = 8,919,818,085.77/126,048.24
  6. Step 6: Final answer
    x = 70,765.11

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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.