Home / 53,766.68-80,682.42-18,730.94

Finding the Fourth Proportional to 53,766.68, 80,682.42 and 18,730.94

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Solution

The fourth proportional to 53,766.68, 80,682.42 and 18,730.94 is: 28,107.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,766.68 : 80,682.42 = 18,730.94 : x
  2. Step 2: Convert to fraction form
    53,766.68/80,682.42 = 18,730.94/x
  3. Step 3: Cross multiply
    53,766.68x = 80,682.42 × 18,730.94
  4. Step 4: Simplify right side
    53,766.68x = 1,511,257,568.07
  5. Step 5: Solve for x
    x = 1,511,257,568.07/53,766.68
  6. Step 6: Final answer
    x = 28,107.70

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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.