Home / 53,310.46-79,965.99-22,145.74

Finding the Fourth Proportional to 53,310.46, 79,965.99 and 22,145.74

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Solution

The fourth proportional to 53,310.46, 79,965.99 and 22,145.74 is: 33,218.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,310.46 : 79,965.99 = 22,145.74 : x
  2. Step 2: Convert to fraction form
    53,310.46/79,965.99 = 22,145.74/x
  3. Step 3: Cross multiply
    53,310.46x = 79,965.99 × 22,145.74
  4. Step 4: Simplify right side
    53,310.46x = 1,770,906,023.38
  5. Step 5: Solve for x
    x = 1,770,906,023.38/53,310.46
  6. Step 6: Final answer
    x = 33,218.73

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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.