Finding the Fourth Proportional to 75,007.92, 103,514.52 and 41,476.08
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Solution
The fourth proportional to 75,007.92, 103,514.52 and 41,476.08 is: 57,238.98
Step by Step Solution
- Step 1: Write the proportion equation
75,007.92 : 103,514.52 = 41,476.08 : x - Step 2: Convert to fraction form
75,007.92/103,514.52 = 41,476.08/x - Step 3: Cross multiply
75,007.92x = 103,514.52 × 41,476.08 - Step 4: Simplify right side
75,007.92x = 4,293,376,512.68 - Step 5: Solve for x
x = 4,293,376,512.68/75,007.92 - Step 6: Final answer
x = 57,238.98
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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.