Home / 126,582.14-189,761.46-47,751.72

Finding the Fourth Proportional to 126,582.14, 189,761.46 and 47,751.72

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Solution

The fourth proportional to 126,582.14, 189,761.46 and 47,751.72 is: 71,585.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,582.14 : 189,761.46 = 47,751.72 : x
  2. Step 2: Convert to fraction form
    126,582.14/189,761.46 = 47,751.72/x
  3. Step 3: Cross multiply
    126,582.14x = 189,761.46 × 47,751.72
  4. Step 4: Simplify right side
    126,582.14x = 9,061,436,104.71
  5. Step 5: Solve for x
    x = 9,061,436,104.71/126,582.14
  6. Step 6: Final answer
    x = 71,585.43

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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.