Finding the Fourth Proportional to 67,235.67, 100,731.84 and 48,413.80
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Solution
The fourth proportional to 67,235.67, 100,731.84 and 48,413.80 is: 72,533.09
Step by Step Solution
- Step 1: Write the proportion equation
67,235.67 : 100,731.84 = 48,413.80 : x - Step 2: Convert to fraction form
67,235.67/100,731.84 = 48,413.80/x - Step 3: Cross multiply
67,235.67x = 100,731.84 × 48,413.80 - Step 4: Simplify right side
67,235.67x = 4,876,811,099.76 - Step 5: Solve for x
x = 4,876,811,099.76/67,235.67 - Step 6: Final answer
x = 72,533.09
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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.