Finding the Fourth Proportional to 66,945.68, 100,413.64 and 27,492.08
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Solution
The fourth proportional to 66,945.68, 100,413.64 and 27,492.08 is: 41,236.12
Step by Step Solution
- Step 1: Write the proportion equation
66,945.68 : 100,413.64 = 27,492.08 : x - Step 2: Convert to fraction form
66,945.68/100,413.64 = 27,492.08/x - Step 3: Cross multiply
66,945.68x = 100,413.64 × 27,492.08 - Step 4: Simplify right side
66,945.68x = 2,760,579,823.97 - Step 5: Solve for x
x = 2,760,579,823.97/66,945.68 - Step 6: Final answer
x = 41,236.12
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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.