Home / 79,023.62-109,052.60-43,213.66

Finding the Fourth Proportional to 79,023.62, 109,052.60 and 43,213.66

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Solution

The fourth proportional to 79,023.62, 109,052.60 and 43,213.66 is: 59,634.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,023.62 : 109,052.60 = 43,213.66 : x
  2. Step 2: Convert to fraction form
    79,023.62/109,052.60 = 43,213.66/x
  3. Step 3: Cross multiply
    79,023.62x = 109,052.60 × 43,213.66
  4. Step 4: Simplify right side
    79,023.62x = 4,712,561,489.82
  5. Step 5: Solve for x
    x = 4,712,561,489.82/79,023.62
  6. Step 6: Final answer
    x = 59,634.85

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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.