Finding the Fourth Proportional to 84,049.88, 116,156.04 and 68,919.08
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Solution
The fourth proportional to 84,049.88, 116,156.04 and 68,919.08 is: 95,245.44
Step by Step Solution
- Step 1: Write the proportion equation
84,049.88 : 116,156.04 = 68,919.08 : x - Step 2: Convert to fraction form
84,049.88/116,156.04 = 68,919.08/x - Step 3: Cross multiply
84,049.88x = 116,156.04 × 68,919.08 - Step 4: Simplify right side
84,049.88x = 8,005,367,413.24 - Step 5: Solve for x
x = 8,005,367,413.24/84,049.88 - Step 6: Final answer
x = 95,245.44
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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.