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Finding the Fourth Proportional to 62,206, 85,855.53 and 36,710.80

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Solution

The fourth proportional to 62,206, 85,855.53 and 36,710.80 is: 50,667.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,206 : 85,855.53 = 36,710.80 : x
  2. Step 2: Convert to fraction form
    62,206/85,855.53 = 36,710.80/x
  3. Step 3: Cross multiply
    62,206x = 85,855.53 × 36,710.80
  4. Step 4: Simplify right side
    62,206x = 3,151,825,190.72
  5. Step 5: Solve for x
    x = 3,151,825,190.72/62,206
  6. Step 6: Final answer
    x = 50,667.54

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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.