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Finding the Fourth Proportional to 62,373.88, 86,074.95 and 34,078.96

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Solution

The fourth proportional to 62,373.88, 86,074.95 and 34,078.96 is: 47,028.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,373.88 : 86,074.95 = 34,078.96 : x
  2. Step 2: Convert to fraction form
    62,373.88/86,074.95 = 34,078.96/x
  3. Step 3: Cross multiply
    62,373.88x = 86,074.95 × 34,078.96
  4. Step 4: Simplify right side
    62,373.88x = 2,933,344,778.05
  5. Step 5: Solve for x
    x = 2,933,344,778.05/62,373.88
  6. Step 6: Final answer
    x = 47,028.42

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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.