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Finding the Fourth Proportional to 67,413.74, 100,962.99 and 53,278.90

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Solution

The fourth proportional to 67,413.74, 100,962.99 and 53,278.90 is: 79,793.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,413.74 : 100,962.99 = 53,278.90 : x
  2. Step 2: Convert to fraction form
    67,413.74/100,962.99 = 53,278.90/x
  3. Step 3: Cross multiply
    67,413.74x = 100,962.99 × 53,278.90
  4. Step 4: Simplify right side
    67,413.74x = 5,379,196,795.50
  5. Step 5: Solve for x
    x = 5,379,196,795.50/67,413.74
  6. Step 6: Final answer
    x = 79,793.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.