Home / 79,272.32-109,402.70-43,469.31

Finding the Fourth Proportional to 79,272.32, 109,402.70 and 43,469.31

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Solution

The fourth proportional to 79,272.32, 109,402.70 and 43,469.31 is: 59,991.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,272.32 : 109,402.70 = 43,469.31 : x
  2. Step 2: Convert to fraction form
    79,272.32/109,402.70 = 43,469.31/x
  3. Step 3: Cross multiply
    79,272.32x = 109,402.70 × 43,469.31
  4. Step 4: Simplify right side
    79,272.32x = 4,755,659,703.18
  5. Step 5: Solve for x
    x = 4,755,659,703.18/79,272.32
  6. Step 6: Final answer
    x = 59,991.43

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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.