Home / 71,913.58-107,885.94-27,540.34

Finding the Fourth Proportional to 71,913.58, 107,885.94 and 27,540.34

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Solution

The fourth proportional to 71,913.58, 107,885.94 and 27,540.34 is: 41,316.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,913.58 : 107,885.94 = 27,540.34 : x
  2. Step 2: Convert to fraction form
    71,913.58/107,885.94 = 27,540.34/x
  3. Step 3: Cross multiply
    71,913.58x = 107,885.94 × 27,540.34
  4. Step 4: Simplify right side
    71,913.58x = 2,971,215,468.82
  5. Step 5: Solve for x
    x = 2,971,215,468.82/71,913.58
  6. Step 6: Final answer
    x = 41,316.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.