Home / 53,076.43-79,617.48-13,633.84

Finding the Fourth Proportional to 53,076.43, 79,617.48 and 13,633.84

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Solution

The fourth proportional to 53,076.43, 79,617.48 and 13,633.84 is: 20,451.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,076.43 : 79,617.48 = 13,633.84 : x
  2. Step 2: Convert to fraction form
    53,076.43/79,617.48 = 13,633.84/x
  3. Step 3: Cross multiply
    53,076.43x = 79,617.48 × 13,633.84
  4. Step 4: Simplify right side
    53,076.43x = 1,085,491,983.52
  5. Step 5: Solve for x
    x = 1,085,491,983.52/53,076.43
  6. Step 6: Final answer
    x = 20,451.49

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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.