Home / 126,069.24-189,136.66-47,189.56

Finding the Fourth Proportional to 126,069.24, 189,136.66 and 47,189.56

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Solution

The fourth proportional to 126,069.24, 189,136.66 and 47,189.56 is: 70,796.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,069.24 : 189,136.66 = 47,189.56 : x
  2. Step 2: Convert to fraction form
    126,069.24/189,136.66 = 47,189.56/x
  3. Step 3: Cross multiply
    126,069.24x = 189,136.66 × 47,189.56
  4. Step 4: Simplify right side
    126,069.24x = 8,925,275,765.27
  5. Step 5: Solve for x
    x = 8,925,275,765.27/126,069.24
  6. Step 6: Final answer
    x = 70,796.62

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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.