Finding the Fourth Proportional to 75,866.41, 104,694.18 and 41,872.90
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Solution
The fourth proportional to 75,866.41, 104,694.18 and 41,872.90 is: 57,783.79
Step by Step Solution
- Step 1: Write the proportion equation
75,866.41 : 104,694.18 = 41,872.90 : x - Step 2: Convert to fraction form
75,866.41/104,694.18 = 41,872.90/x - Step 3: Cross multiply
75,866.41x = 104,694.18 × 41,872.90 - Step 4: Simplify right side
75,866.41x = 4,383,848,929.72 - Step 5: Solve for x
x = 4,383,848,929.72/75,866.41 - Step 6: Final answer
x = 57,783.79
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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.