Home / 79,261.88-109,384.70-43,453.26

Finding the Fourth Proportional to 79,261.88, 109,384.70 and 43,453.26

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Solution

The fourth proportional to 79,261.88, 109,384.70 and 43,453.26 is: 59,967.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,261.88 : 109,384.70 = 43,453.26 : x
  2. Step 2: Convert to fraction form
    79,261.88/109,384.70 = 43,453.26/x
  3. Step 3: Cross multiply
    79,261.88x = 109,384.70 × 43,453.26
  4. Step 4: Simplify right side
    79,261.88x = 4,753,121,591.86
  5. Step 5: Solve for x
    x = 4,753,121,591.86/79,261.88
  6. Step 6: Final answer
    x = 59,967.31

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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.