Finding the Fourth Proportional to 73,974.75, 110,990.08 and 44,413.19
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Solution
The fourth proportional to 73,974.75, 110,990.08 and 44,413.19 is: 66,636.57
Step by Step Solution
- Step 1: Write the proportion equation
73,974.75 : 110,990.08 = 44,413.19 : x - Step 2: Convert to fraction form
73,974.75/110,990.08 = 44,413.19/x - Step 3: Cross multiply
73,974.75x = 110,990.08 × 44,413.19 - Step 4: Simplify right side
73,974.75x = 4,929,424,052.25 - Step 5: Solve for x
x = 4,929,424,052.25/73,974.75 - Step 6: Final answer
x = 66,636.57
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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.