Finding the Fourth Proportional to 79,616.72, 119,326.62 and 40,185.08
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Solution
The fourth proportional to 79,616.72, 119,326.62 and 40,185.08 is: 60,227.92
Step by Step Solution
- Step 1: Write the proportion equation
79,616.72 : 119,326.62 = 40,185.08 : x - Step 2: Convert to fraction form
79,616.72/119,326.62 = 40,185.08/x - Step 3: Cross multiply
79,616.72x = 119,326.62 × 40,185.08 - Step 4: Simplify right side
79,616.72x = 4,795,149,770.83 - Step 5: Solve for x
x = 4,795,149,770.83/79,616.72 - Step 6: Final answer
x = 60,227.92
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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.