Home / 54,987.27-82,464.44-28,677.66

Finding the Fourth Proportional to 54,987.27, 82,464.44 and 28,677.66

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Solution

The fourth proportional to 54,987.27, 82,464.44 and 28,677.66 is: 43,007.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,987.27 : 82,464.44 = 28,677.66 : x
  2. Step 2: Convert to fraction form
    54,987.27/82,464.44 = 28,677.66/x
  3. Step 3: Cross multiply
    54,987.27x = 82,464.44 × 28,677.66
  4. Step 4: Simplify right side
    54,987.27x = 2,364,886,760.09
  5. Step 5: Solve for x
    x = 2,364,886,760.09/54,987.27
  6. Step 6: Final answer
    x = 43,007.90

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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.