Finding the Fourth Proportional to 74,175.92, 102,306.98 and 51,514.96
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Solution
The fourth proportional to 74,175.92, 102,306.98 and 51,514.96 is: 71,051.90
Step by Step Solution
- Step 1: Write the proportion equation
74,175.92 : 102,306.98 = 51,514.96 : x - Step 2: Convert to fraction form
74,175.92/102,306.98 = 51,514.96/x - Step 3: Cross multiply
74,175.92x = 102,306.98 × 51,514.96 - Step 4: Simplify right side
74,175.92x = 5,270,339,982.42 - Step 5: Solve for x
x = 5,270,339,982.42/74,175.92 - Step 6: Final answer
x = 71,051.90
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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.