Home / 103,636.62-143,035.94-60,022.78

Finding the Fourth Proportional to 103,636.62, 143,035.94 and 60,022.78

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Solution

The fourth proportional to 103,636.62, 143,035.94 and 60,022.78 is: 82,841.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,636.62 : 143,035.94 = 60,022.78 : x
  2. Step 2: Convert to fraction form
    103,636.62/143,035.94 = 60,022.78/x
  3. Step 3: Cross multiply
    103,636.62x = 143,035.94 × 60,022.78
  4. Step 4: Simplify right side
    103,636.62x = 8,585,414,551.18
  5. Step 5: Solve for x
    x = 8,585,414,551.18/103,636.62
  6. Step 6: Final answer
    x = 82,841.51

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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.