Home / 49,913.76-68,881.68-28,696.80

Finding the Fourth Proportional to 49,913.76, 68,881.68 and 28,696.80

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Solution

The fourth proportional to 49,913.76, 68,881.68 and 28,696.80 is: 39,601.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,913.76 : 68,881.68 = 28,696.80 : x
  2. Step 2: Convert to fraction form
    49,913.76/68,881.68 = 28,696.80/x
  3. Step 3: Cross multiply
    49,913.76x = 68,881.68 × 28,696.80
  4. Step 4: Simplify right side
    49,913.76x = 1,976,683,794.62
  5. Step 5: Solve for x
    x = 1,976,683,794.62/49,913.76
  6. Step 6: Final answer
    x = 39,601.98

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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.