Home / 52,696.57-72,721.85-28,822.74

Finding the Fourth Proportional to 52,696.57, 72,721.85 and 28,822.74

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Solution

The fourth proportional to 52,696.57, 72,721.85 and 28,822.74 is: 39,775.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,696.57 : 72,721.85 = 28,822.74 : x
  2. Step 2: Convert to fraction form
    52,696.57/72,721.85 = 28,822.74/x
  3. Step 3: Cross multiply
    52,696.57x = 72,721.85 × 28,822.74
  4. Step 4: Simplify right side
    52,696.57x = 2,096,042,974.87
  5. Step 5: Solve for x
    x = 2,096,042,974.87/52,696.57
  6. Step 6: Final answer
    x = 39,775.70

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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.