Home / 54,851.20-82,449.60-53,814.40

Finding the Fourth Proportional to 54,851.20, 82,449.60 and 53,814.40

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Solution

The fourth proportional to 54,851.20, 82,449.60 and 53,814.40 is: 80,891.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,851.20 : 82,449.60 = 53,814.40 : x
  2. Step 2: Convert to fraction form
    54,851.20/82,449.60 = 53,814.40/x
  3. Step 3: Cross multiply
    54,851.20x = 82,449.60 × 53,814.40
  4. Step 4: Simplify right side
    54,851.20x = 4,436,975,754.24
  5. Step 5: Solve for x
    x = 4,436,975,754.24/54,851.20
  6. Step 6: Final answer
    x = 80,891.13

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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.