Home / 126,036.96-189,033.36-47,134.86

Finding the Fourth Proportional to 126,036.96, 189,033.36 and 47,134.86

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Solution

The fourth proportional to 126,036.96, 189,033.36 and 47,134.86 is: 70,694.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,036.96 : 189,033.36 = 47,134.86 : x
  2. Step 2: Convert to fraction form
    126,036.96/189,033.36 = 47,134.86/x
  3. Step 3: Cross multiply
    126,036.96x = 189,033.36 × 47,134.86
  4. Step 4: Simplify right side
    126,036.96x = 8,910,060,958.93
  5. Step 5: Solve for x
    x = 8,910,060,958.93/126,036.96
  6. Step 6: Final answer
    x = 70,694.03

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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.