Finding the Fourth Proportional to 66,741.42, 100,120.94 and 24,651.09
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Solution
The fourth proportional to 66,741.42, 100,120.94 and 24,651.09 is: 36,979.89
Step by Step Solution
- Step 1: Write the proportion equation
66,741.42 : 100,120.94 = 24,651.09 : x - Step 2: Convert to fraction form
66,741.42/100,120.94 = 24,651.09/x - Step 3: Cross multiply
66,741.42x = 100,120.94 × 24,651.09 - Step 4: Simplify right side
66,741.42x = 2,468,090,302.82 - Step 5: Solve for x
x = 2,468,090,302.82/66,741.42 - Step 6: Final answer
x = 36,979.89
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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.