Home / 54,650.90-81,981.14-16,708.73

Finding the Fourth Proportional to 54,650.90, 81,981.14 and 16,708.73

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Solution

The fourth proportional to 54,650.90, 81,981.14 and 16,708.73 is: 25,064.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,650.90 : 81,981.14 = 16,708.73 : x
  2. Step 2: Convert to fraction form
    54,650.90/81,981.14 = 16,708.73/x
  3. Step 3: Cross multiply
    54,650.90x = 81,981.14 × 16,708.73
  4. Step 4: Simplify right side
    54,650.90x = 1,369,800,748.04
  5. Step 5: Solve for x
    x = 1,369,800,748.04/54,650.90
  6. Step 6: Final answer
    x = 25,064.56

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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.