Finding the Fourth Proportional to 68,201.62, 102,191.19 and 41,850.70
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Solution
The fourth proportional to 68,201.62, 102,191.19 and 41,850.70 is: 62,707.79
Step by Step Solution
- Step 1: Write the proportion equation
68,201.62 : 102,191.19 = 41,850.70 : x - Step 2: Convert to fraction form
68,201.62/102,191.19 = 41,850.70/x - Step 3: Cross multiply
68,201.62x = 102,191.19 × 41,850.70 - Step 4: Simplify right side
68,201.62x = 4,276,772,835.33 - Step 5: Solve for x
x = 4,276,772,835.33/68,201.62 - Step 6: Final answer
x = 62,707.79
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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.