Home / 79,712.68-110,049.24-52,891.55

Finding the Fourth Proportional to 79,712.68, 110,049.24 and 52,891.55

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Solution

The fourth proportional to 79,712.68, 110,049.24 and 52,891.55 is: 73,020.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,712.68 : 110,049.24 = 52,891.55 : x
  2. Step 2: Convert to fraction form
    79,712.68/110,049.24 = 52,891.55/x
  3. Step 3: Cross multiply
    79,712.68x = 110,049.24 × 52,891.55
  4. Step 4: Simplify right side
    79,712.68x = 5,820,675,353.39
  5. Step 5: Solve for x
    x = 5,820,675,353.39/79,712.68
  6. Step 6: Final answer
    x = 73,020.70

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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.