Home / 79,023.57-109,052.61-43,213.47

Finding the Fourth Proportional to 79,023.57, 109,052.61 and 43,213.47

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Solution

The fourth proportional to 79,023.57, 109,052.61 and 43,213.47 is: 59,634.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,023.57 : 109,052.61 = 43,213.47 : x
  2. Step 2: Convert to fraction form
    79,023.57/109,052.61 = 43,213.47/x
  3. Step 3: Cross multiply
    79,023.57x = 109,052.61 × 43,213.47
  4. Step 4: Simplify right side
    79,023.57x = 4,712,541,690.66
  5. Step 5: Solve for x
    x = 4,712,541,690.66/79,023.57
  6. Step 6: Final answer
    x = 59,634.63

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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.