Home / 52,664.64-72,675-28,791.24

Finding the Fourth Proportional to 52,664.64, 72,675 and 28,791.24

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Solution

The fourth proportional to 52,664.64, 72,675 and 28,791.24 is: 39,730.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,664.64 : 72,675 = 28,791.24 : x
  2. Step 2: Convert to fraction form
    52,664.64/72,675 = 28,791.24/x
  3. Step 3: Cross multiply
    52,664.64x = 72,675 × 28,791.24
  4. Step 4: Simplify right side
    52,664.64x = 2,092,403,367
  5. Step 5: Solve for x
    x = 2,092,403,367/52,664.64
  6. Step 6: Final answer
    x = 39,730.71

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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.