Home / 79,453.42-109,640.34-43,644.94

Finding the Fourth Proportional to 79,453.42, 109,640.34 and 43,644.94

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Solution

The fourth proportional to 79,453.42, 109,640.34 and 43,644.94 is: 60,227.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,453.42 : 109,640.34 = 43,644.94 : x
  2. Step 2: Convert to fraction form
    79,453.42/109,640.34 = 43,644.94/x
  3. Step 3: Cross multiply
    79,453.42x = 109,640.34 × 43,644.94
  4. Step 4: Simplify right side
    79,453.42x = 4,785,246,060.88
  5. Step 5: Solve for x
    x = 4,785,246,060.88/79,453.42
  6. Step 6: Final answer
    x = 60,227.06

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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.