Finding the Fourth Proportional to 74,286.72, 102,474.18 and 44,042.94
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Solution
The fourth proportional to 74,286.72, 102,474.18 and 44,042.94 is: 60,754.66
Step by Step Solution
- Step 1: Write the proportion equation
74,286.72 : 102,474.18 = 44,042.94 : x - Step 2: Convert to fraction form
74,286.72/102,474.18 = 44,042.94/x - Step 3: Cross multiply
74,286.72x = 102,474.18 × 44,042.94 - Step 4: Simplify right side
74,286.72x = 4,513,264,161.29 - Step 5: Solve for x
x = 4,513,264,161.29/74,286.72 - Step 6: Final answer
x = 60,754.66
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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.