Finding the Fourth Proportional to 74,706.96, 103,096.08 and 41,172.96
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Solution
The fourth proportional to 74,706.96, 103,096.08 and 41,172.96 is: 56,818.95
Step by Step Solution
- Step 1: Write the proportion equation
74,706.96 : 103,096.08 = 41,172.96 : x - Step 2: Convert to fraction form
74,706.96/103,096.08 = 41,172.96/x - Step 3: Cross multiply
74,706.96x = 103,096.08 × 41,172.96 - Step 4: Simplify right side
74,706.96x = 4,244,770,778.00 - Step 5: Solve for x
x = 4,244,770,778.00/74,706.96 - Step 6: Final answer
x = 56,818.95
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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.