Home / 54,436.46-81,654.66-16,999.74

Finding the Fourth Proportional to 54,436.46, 81,654.66 and 16,999.74

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Solution

The fourth proportional to 54,436.46, 81,654.66 and 16,999.74 is: 25,499.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,436.46 : 81,654.66 = 16,999.74 : x
  2. Step 2: Convert to fraction form
    54,436.46/81,654.66 = 16,999.74/x
  3. Step 3: Cross multiply
    54,436.46x = 81,654.66 × 16,999.74
  4. Step 4: Simplify right side
    54,436.46x = 1,388,107,989.79
  5. Step 5: Solve for x
    x = 1,388,107,989.79/54,436.46
  6. Step 6: Final answer
    x = 25,499.60

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Similar ratio
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1.5x scale

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.