Home / 49,959.60-68,940.36-28,734.77

Finding the Fourth Proportional to 49,959.60, 68,940.36 and 28,734.77

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Solution

The fourth proportional to 49,959.60, 68,940.36 and 28,734.77 is: 39,651.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,959.60 : 68,940.36 = 28,734.77 : x
  2. Step 2: Convert to fraction form
    49,959.60/68,940.36 = 28,734.77/x
  3. Step 3: Cross multiply
    49,959.60x = 68,940.36 × 28,734.77
  4. Step 4: Simplify right side
    49,959.60x = 1,980,985,043.62
  5. Step 5: Solve for x
    x = 1,980,985,043.62/49,959.60
  6. Step 6: Final answer
    x = 39,651.74

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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.