Home / 126,607.70-189,872.64-60,028.16

Finding the Fourth Proportional to 126,607.70, 189,872.64 and 60,028.16

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Solution

The fourth proportional to 126,607.70, 189,872.64 and 60,028.16 is: 90,023.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,607.70 : 189,872.64 = 60,028.16 : x
  2. Step 2: Convert to fraction form
    126,607.70/189,872.64 = 60,028.16/x
  3. Step 3: Cross multiply
    126,607.70x = 189,872.64 × 60,028.16
  4. Step 4: Simplify right side
    126,607.70x = 11,397,705,213.54
  5. Step 5: Solve for x
    x = 11,397,705,213.54/126,607.70
  6. Step 6: Final answer
    x = 90,023.79

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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.