Home / 66,902.15-100,340.44-33,612.98

Finding the Fourth Proportional to 66,902.15, 100,340.44 and 33,612.98

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Solution

The fourth proportional to 66,902.15, 100,340.44 and 33,612.98 is: 50,413.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,902.15 : 100,340.44 = 33,612.98 : x
  2. Step 2: Convert to fraction form
    66,902.15/100,340.44 = 33,612.98/x
  3. Step 3: Cross multiply
    66,902.15x = 100,340.44 × 33,612.98
  4. Step 4: Simplify right side
    66,902.15x = 3,372,740,617.18
  5. Step 5: Solve for x
    x = 3,372,740,617.18/66,902.15
  6. Step 6: Final answer
    x = 50,413.04

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1.5x scale

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.