Home / 49,093.85-67,746.26-28,949.78

Finding the Fourth Proportional to 49,093.85, 67,746.26 and 28,949.78

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Solution

The fourth proportional to 49,093.85, 67,746.26 and 28,949.78 is: 39,948.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,093.85 : 67,746.26 = 28,949.78 : x
  2. Step 2: Convert to fraction form
    49,093.85/67,746.26 = 28,949.78/x
  3. Step 3: Cross multiply
    49,093.85x = 67,746.26 × 28,949.78
  4. Step 4: Simplify right side
    49,093.85x = 1,961,239,056.47
  5. Step 5: Solve for x
    x = 1,961,239,056.47/49,093.85
  6. Step 6: Final answer
    x = 39,948.78

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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.