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Finding the Fourth Proportional to 73,375.42, 110,063.14 and 69,635.66

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Solution

The fourth proportional to 73,375.42, 110,063.14 and 69,635.66 is: 104,453.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,375.42 : 110,063.14 = 69,635.66 : x
  2. Step 2: Convert to fraction form
    73,375.42/110,063.14 = 69,635.66/x
  3. Step 3: Cross multiply
    73,375.42x = 110,063.14 × 69,635.66
  4. Step 4: Simplify right side
    73,375.42x = 7,664,319,395.57
  5. Step 5: Solve for x
    x = 7,664,319,395.57/73,375.42
  6. Step 6: Final answer
    x = 104,453.50

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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.