Home / 79,436.76-109,622.88-43,629.09

Finding the Fourth Proportional to 79,436.76, 109,622.88 and 43,629.09

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Solution

The fourth proportional to 79,436.76, 109,622.88 and 43,629.09 is: 60,208.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,436.76 : 109,622.88 = 43,629.09 : x
  2. Step 2: Convert to fraction form
    79,436.76/109,622.88 = 43,629.09/x
  3. Step 3: Cross multiply
    79,436.76x = 109,622.88 × 43,629.09
  4. Step 4: Simplify right side
    79,436.76x = 4,782,746,497.58
  5. Step 5: Solve for x
    x = 4,782,746,497.58/79,436.76
  6. Step 6: Final answer
    x = 60,208.23

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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.