Finding the Fourth Proportional to 75,863.53, 104,691.98 and 41,872.31
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Solution
The fourth proportional to 75,863.53, 104,691.98 and 41,872.31 is: 57,783.96
Step by Step Solution
- Step 1: Write the proportion equation
75,863.53 : 104,691.98 = 41,872.31 : x - Step 2: Convert to fraction form
75,863.53/104,691.98 = 41,872.31/x - Step 3: Cross multiply
75,863.53x = 104,691.98 × 41,872.31 - Step 4: Simplify right side
75,863.53x = 4,383,695,250.46 - Step 5: Solve for x
x = 4,383,695,250.46/75,863.53 - Step 6: Final answer
x = 57,783.96
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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.