Home / 65,413.87-90,270.05-36,733.79

Finding the Fourth Proportional to 65,413.87, 90,270.05 and 36,733.79

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Solution

The fourth proportional to 65,413.87, 90,270.05 and 36,733.79 is: 50,692.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,413.87 : 90,270.05 = 36,733.79 : x
  2. Step 2: Convert to fraction form
    65,413.87/90,270.05 = 36,733.79/x
  3. Step 3: Cross multiply
    65,413.87x = 90,270.05 × 36,733.79
  4. Step 4: Simplify right side
    65,413.87x = 3,315,961,102.00
  5. Step 5: Solve for x
    x = 3,315,961,102.00/65,413.87
  6. Step 6: Final answer
    x = 50,692.02

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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.