Home / 52,747.91-72,792.81-28,874.07

Finding the Fourth Proportional to 52,747.91, 72,792.81 and 28,874.07

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Solution

The fourth proportional to 52,747.91, 72,792.81 and 28,874.07 is: 39,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,747.91 : 72,792.81 = 28,874.07 : x
  2. Step 2: Convert to fraction form
    52,747.91/72,792.81 = 28,874.07/x
  3. Step 3: Cross multiply
    52,747.91x = 72,792.81 × 28,874.07
  4. Step 4: Simplify right side
    52,747.91x = 2,101,824,691.44
  5. Step 5: Solve for x
    x = 2,101,824,691.44/52,747.91
  6. Step 6: Final answer
    x = 39,846.60

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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.