Home / 52,747.86-72,791.49-28,874.58

Finding the Fourth Proportional to 52,747.86, 72,791.49 and 28,874.58

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Solution

The fourth proportional to 52,747.86, 72,791.49 and 28,874.58 is: 39,846.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,747.86 : 72,791.49 = 28,874.58 : x
  2. Step 2: Convert to fraction form
    52,747.86/72,791.49 = 28,874.58/x
  3. Step 3: Cross multiply
    52,747.86x = 72,791.49 × 28,874.58
  4. Step 4: Simplify right side
    52,747.86x = 2,101,823,701.32
  5. Step 5: Solve for x
    x = 2,101,823,701.32/52,747.86
  6. Step 6: Final answer
    x = 39,846.62

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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.