Home / 53,824.20-80,743.74-14,382.60

Finding the Fourth Proportional to 53,824.20, 80,743.74 and 14,382.60

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Solution

The fourth proportional to 53,824.20, 80,743.74 and 14,382.60 is: 21,575.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,824.20 : 80,743.74 = 14,382.60 : x
  2. Step 2: Convert to fraction form
    53,824.20/80,743.74 = 14,382.60/x
  3. Step 3: Cross multiply
    53,824.20x = 80,743.74 × 14,382.60
  4. Step 4: Simplify right side
    53,824.20x = 1,161,304,914.92
  5. Step 5: Solve for x
    x = 1,161,304,914.92/53,824.20
  6. Step 6: Final answer
    x = 21,575.89

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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.