Home / 53,791.12-74,230.44-29,917.72

Finding the Fourth Proportional to 53,791.12, 74,230.44 and 29,917.72

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Solution

The fourth proportional to 53,791.12, 74,230.44 and 29,917.72 is: 41,285.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,791.12 : 74,230.44 = 29,917.72 : x
  2. Step 2: Convert to fraction form
    53,791.12/74,230.44 = 29,917.72/x
  3. Step 3: Cross multiply
    53,791.12x = 74,230.44 × 29,917.72
  4. Step 4: Simplify right side
    53,791.12x = 2,220,805,519.40
  5. Step 5: Solve for x
    x = 2,220,805,519.40/53,791.12
  6. Step 6: Final answer
    x = 41,285.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.