Home / 79,144.45-109,219.35-43,336.66

Finding the Fourth Proportional to 79,144.45, 109,219.35 and 43,336.66

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Solution

The fourth proportional to 79,144.45, 109,219.35 and 43,336.66 is: 59,804.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,144.45 : 109,219.35 = 43,336.66 : x
  2. Step 2: Convert to fraction form
    79,144.45/109,219.35 = 43,336.66/x
  3. Step 3: Cross multiply
    79,144.45x = 109,219.35 × 43,336.66
  4. Step 4: Simplify right side
    79,144.45x = 4,733,201,836.37
  5. Step 5: Solve for x
    x = 4,733,201,836.37/79,144.45
  6. Step 6: Final answer
    x = 59,804.60

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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.