Home / 126,622.41-189,863.49-51,795.10

Finding the Fourth Proportional to 126,622.41, 189,863.49 and 51,795.10

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Solution

The fourth proportional to 126,622.41, 189,863.49 and 51,795.10 is: 77,663.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,622.41 : 189,863.49 = 51,795.10 : x
  2. Step 2: Convert to fraction form
    126,622.41/189,863.49 = 51,795.10/x
  3. Step 3: Cross multiply
    126,622.41x = 189,863.49 × 51,795.10
  4. Step 4: Simplify right side
    126,622.41x = 9,833,998,450.90
  5. Step 5: Solve for x
    x = 9,833,998,450.90/126,622.41
  6. Step 6: Final answer
    x = 77,663.97

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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.