Home / 126,449.48-189,683.94-47,561.96

Finding the Fourth Proportional to 126,449.48, 189,683.94 and 47,561.96

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Solution

The fourth proportional to 126,449.48, 189,683.94 and 47,561.96 is: 71,346.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,449.48 : 189,683.94 = 47,561.96 : x
  2. Step 2: Convert to fraction form
    126,449.48/189,683.94 = 47,561.96/x
  3. Step 3: Cross multiply
    126,449.48x = 189,683.94 × 47,561.96
  4. Step 4: Simplify right side
    126,449.48x = 9,021,739,966.92
  5. Step 5: Solve for x
    x = 9,021,739,966.92/126,449.48
  6. Step 6: Final answer
    x = 71,346.60

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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.