Home / 79,818.68-110,150.64-43,519.83

Finding the Fourth Proportional to 79,818.68, 110,150.64 and 43,519.83

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Solution

The fourth proportional to 79,818.68, 110,150.64 and 43,519.83 is: 60,057.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,818.68 : 110,150.64 = 43,519.83 : x
  2. Step 2: Convert to fraction form
    79,818.68/110,150.64 = 43,519.83/x
  3. Step 3: Cross multiply
    79,818.68x = 110,150.64 × 43,519.83
  4. Step 4: Simplify right side
    79,818.68x = 4,793,737,290.39
  5. Step 5: Solve for x
    x = 4,793,737,290.39/79,818.68
  6. Step 6: Final answer
    x = 60,057.83

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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.