Home / 54,214.73-81,306.45-18,674.60

Finding the Fourth Proportional to 54,214.73, 81,306.45 and 18,674.60

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Solution

The fourth proportional to 54,214.73, 81,306.45 and 18,674.60 is: 28,006.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,214.73 : 81,306.45 = 18,674.60 : x
  2. Step 2: Convert to fraction form
    54,214.73/81,306.45 = 18,674.60/x
  3. Step 3: Cross multiply
    54,214.73x = 81,306.45 × 18,674.60
  4. Step 4: Simplify right side
    54,214.73x = 1,518,365,634.44
  5. Step 5: Solve for x
    x = 1,518,365,634.44/54,214.73
  6. Step 6: Final answer
    x = 28,006.52

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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.