Home / 126,042.89-189,094.50-36,086.85

Finding the Fourth Proportional to 126,042.89, 189,094.50 and 36,086.85

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Solution

The fourth proportional to 126,042.89, 189,094.50 and 36,086.85 is: 54,138.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,042.89 : 189,094.50 = 36,086.85 : x
  2. Step 2: Convert to fraction form
    126,042.89/189,094.50 = 36,086.85/x
  3. Step 3: Cross multiply
    126,042.89x = 189,094.50 × 36,086.85
  4. Step 4: Simplify right side
    126,042.89x = 6,823,824,857.33
  5. Step 5: Solve for x
    x = 6,823,824,857.33/126,042.89
  6. Step 6: Final answer
    x = 54,138.91

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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.