Home / 72,845.64-109,268.82-22,929.66

Finding the Fourth Proportional to 72,845.64, 109,268.82 and 22,929.66

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Solution

The fourth proportional to 72,845.64, 109,268.82 and 22,929.66 is: 34,394.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,845.64 : 109,268.82 = 22,929.66 : x
  2. Step 2: Convert to fraction form
    72,845.64/109,268.82 = 22,929.66/x
  3. Step 3: Cross multiply
    72,845.64x = 109,268.82 × 22,929.66
  4. Step 4: Simplify right side
    72,845.64x = 2,505,496,891.20
  5. Step 5: Solve for x
    x = 2,505,496,891.20/72,845.64
  6. Step 6: Final answer
    x = 34,394.60

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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.