Finding the Fourth Proportional to 74,786.75, 103,213.01 and 41,252.75
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Solution
The fourth proportional to 74,786.75, 103,213.01 and 41,252.75 is: 56,932.82
Step by Step Solution
- Step 1: Write the proportion equation
74,786.75 : 103,213.01 = 41,252.75 : x - Step 2: Convert to fraction form
74,786.75/103,213.01 = 41,252.75/x - Step 3: Cross multiply
74,786.75x = 103,213.01 × 41,252.75 - Step 4: Simplify right side
74,786.75x = 4,257,820,498.28 - Step 5: Solve for x
x = 4,257,820,498.28/74,786.75 - Step 6: Final answer
x = 56,932.82
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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.