Home / 79,433.58-109,618.32-43,623.60

Finding the Fourth Proportional to 79,433.58, 109,618.32 and 43,623.60

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Solution

The fourth proportional to 79,433.58, 109,618.32 and 43,623.60 is: 60,200.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,433.58 : 109,618.32 = 43,623.60 : x
  2. Step 2: Convert to fraction form
    79,433.58/109,618.32 = 43,623.60/x
  3. Step 3: Cross multiply
    79,433.58x = 109,618.32 × 43,623.60
  4. Step 4: Simplify right side
    79,433.58x = 4,781,945,744.35
  5. Step 5: Solve for x
    x = 4,781,945,744.35/79,433.58
  6. Step 6: Final answer
    x = 60,200.56

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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.