Home / 68,240.34-102,383.73-41,639.58

Finding the Fourth Proportional to 68,240.34, 102,383.73 and 41,639.58

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Solution

The fourth proportional to 68,240.34, 102,383.73 and 41,639.58 is: 62,473.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,240.34 : 102,383.73 = 41,639.58 : x
  2. Step 2: Convert to fraction form
    68,240.34/102,383.73 = 41,639.58/x
  3. Step 3: Cross multiply
    68,240.34x = 102,383.73 × 41,639.58
  4. Step 4: Simplify right side
    68,240.34x = 4,263,215,516.03
  5. Step 5: Solve for x
    x = 4,263,215,516.03/68,240.34
  6. Step 6: Final answer
    x = 62,473.54

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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.