Finding the Fourth Proportional to 76,821.08, 115,231.62 and 24,234.65
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Solution
The fourth proportional to 76,821.08, 115,231.62 and 24,234.65 is: 36,351.98
Step by Step Solution
- Step 1: Write the proportion equation
76,821.08 : 115,231.62 = 24,234.65 : x - Step 2: Convert to fraction form
76,821.08/115,231.62 = 24,234.65/x - Step 3: Cross multiply
76,821.08x = 115,231.62 × 24,234.65 - Step 4: Simplify right side
76,821.08x = 2,792,597,979.63 - Step 5: Solve for x
x = 2,792,597,979.63/76,821.08 - Step 6: Final answer
x = 36,351.98
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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.