Home / 51,481.43-77,223.51-16,421.09

Finding the Fourth Proportional to 51,481.43, 77,223.51 and 16,421.09

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Solution

The fourth proportional to 51,481.43, 77,223.51 and 16,421.09 is: 24,632.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,481.43 : 77,223.51 = 16,421.09 : x
  2. Step 2: Convert to fraction form
    51,481.43/77,223.51 = 16,421.09/x
  3. Step 3: Cross multiply
    51,481.43x = 77,223.51 × 16,421.09
  4. Step 4: Simplify right side
    51,481.43x = 1,268,093,821.71
  5. Step 5: Solve for x
    x = 1,268,093,821.71/51,481.43
  6. Step 6: Final answer
    x = 24,632.07

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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.