Home / 53,519.49-80,280-25,442.42

Finding the Fourth Proportional to 53,519.49, 80,280 and 25,442.42

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Solution

The fourth proportional to 53,519.49, 80,280 and 25,442.42 is: 38,163.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,519.49 : 80,280 = 25,442.42 : x
  2. Step 2: Convert to fraction form
    53,519.49/80,280 = 25,442.42/x
  3. Step 3: Cross multiply
    53,519.49x = 80,280 × 25,442.42
  4. Step 4: Simplify right side
    53,519.49x = 2,042,517,076.20
  5. Step 5: Solve for x
    x = 2,042,517,076.20/53,519.49
  6. Step 6: Final answer
    x = 38,163.99

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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.