Home / 73,268.78-109,732.26-53,498.30

Finding the Fourth Proportional to 73,268.78, 109,732.26 and 53,498.30

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Solution

The fourth proportional to 73,268.78, 109,732.26 and 53,498.30 is: 80,122.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,268.78 : 109,732.26 = 53,498.30 : x
  2. Step 2: Convert to fraction form
    73,268.78/109,732.26 = 53,498.30/x
  3. Step 3: Cross multiply
    73,268.78x = 109,732.26 × 53,498.30
  4. Step 4: Simplify right side
    73,268.78x = 5,870,489,365.16
  5. Step 5: Solve for x
    x = 5,870,489,365.16/73,268.78
  6. Step 6: Final answer
    x = 80,122.66

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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.