Home / 67,986.57-101,864.79-41,636.28

Finding the Fourth Proportional to 67,986.57, 101,864.79 and 41,636.28

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Solution

The fourth proportional to 67,986.57, 101,864.79 and 41,636.28 is: 62,383.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,986.57 : 101,864.79 = 41,636.28 : x
  2. Step 2: Convert to fraction form
    67,986.57/101,864.79 = 41,636.28/x
  3. Step 3: Cross multiply
    67,986.57x = 101,864.79 × 41,636.28
  4. Step 4: Simplify right side
    67,986.57x = 4,241,270,918.58
  5. Step 5: Solve for x
    x = 4,241,270,918.58/67,986.57
  6. Step 6: Final answer
    x = 62,383.95

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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.