Home / 71,567.32-107,215.62-68,564.44

Finding the Fourth Proportional to 71,567.32, 107,215.62 and 68,564.44

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Solution

The fourth proportional to 71,567.32, 107,215.62 and 68,564.44 is: 102,716.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,567.32 : 107,215.62 = 68,564.44 : x
  2. Step 2: Convert to fraction form
    71,567.32/107,215.62 = 68,564.44/x
  3. Step 3: Cross multiply
    71,567.32x = 107,215.62 × 68,564.44
  4. Step 4: Simplify right side
    71,567.32x = 7,351,178,944.55
  5. Step 5: Solve for x
    x = 7,351,178,944.55/71,567.32
  6. Step 6: Final answer
    x = 102,716.98

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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.