Home / 79,636.46-109,898.82-43,825.55

Finding the Fourth Proportional to 79,636.46, 109,898.82 and 43,825.55

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Solution

The fourth proportional to 79,636.46, 109,898.82 and 43,825.55 is: 60,479.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,636.46 : 109,898.82 = 43,825.55 : x
  2. Step 2: Convert to fraction form
    79,636.46/109,898.82 = 43,825.55/x
  3. Step 3: Cross multiply
    79,636.46x = 109,898.82 × 43,825.55
  4. Step 4: Simplify right side
    79,636.46x = 4,816,375,681.36
  5. Step 5: Solve for x
    x = 4,816,375,681.36/79,636.46
  6. Step 6: Final answer
    x = 60,479.53

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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.