Home / 71,895.12-107,857.26-25,180.80

Finding the Fourth Proportional to 71,895.12, 107,857.26 and 25,180.80

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Solution

The fourth proportional to 71,895.12, 107,857.26 and 25,180.80 is: 37,776.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,895.12 : 107,857.26 = 25,180.80 : x
  2. Step 2: Convert to fraction form
    71,895.12/107,857.26 = 25,180.80/x
  3. Step 3: Cross multiply
    71,895.12x = 107,857.26 × 25,180.80
  4. Step 4: Simplify right side
    71,895.12x = 2,715,932,092.61
  5. Step 5: Solve for x
    x = 2,715,932,092.61/71,895.12
  6. Step 6: Final answer
    x = 37,776.31

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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.