Home / 53,107.75-79,661.63-16,171.75

Finding the Fourth Proportional to 53,107.75, 79,661.63 and 16,171.75

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Solution

The fourth proportional to 53,107.75, 79,661.63 and 16,171.75 is: 24,257.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,107.75 : 79,661.63 = 16,171.75 : x
  2. Step 2: Convert to fraction form
    53,107.75/79,661.63 = 16,171.75/x
  3. Step 3: Cross multiply
    53,107.75x = 79,661.63 × 16,171.75
  4. Step 4: Simplify right side
    53,107.75x = 1,288,267,884.09
  5. Step 5: Solve for x
    x = 1,288,267,884.09/53,107.75
  6. Step 6: Final answer
    x = 24,257.63

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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.