Finding the Fourth Proportional to 94,644.26, 141,935.68 and 31,447.42
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Solution
The fourth proportional to 94,644.26, 141,935.68 and 31,447.42 is: 47,160.92
Step by Step Solution
- Step 1: Write the proportion equation
94,644.26 : 141,935.68 = 31,447.42 : x - Step 2: Convert to fraction form
94,644.26/141,935.68 = 31,447.42/x - Step 3: Cross multiply
94,644.26x = 141,935.68 × 31,447.42 - Step 4: Simplify right side
94,644.26x = 4,463,510,320.15 - Step 5: Solve for x
x = 4,463,510,320.15/94,644.26 - Step 6: Final answer
x = 47,160.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.