Finding the Fourth Proportional to 68,622.20, 102,907.70 and 27,060.60
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Solution
The fourth proportional to 68,622.20, 102,907.70 and 27,060.60 is: 40,580.80
Step by Step Solution
- Step 1: Write the proportion equation
68,622.20 : 102,907.70 = 27,060.60 : x - Step 2: Convert to fraction form
68,622.20/102,907.70 = 27,060.60/x - Step 3: Cross multiply
68,622.20x = 102,907.70 × 27,060.60 - Step 4: Simplify right side
68,622.20x = 2,784,744,106.62 - Step 5: Solve for x
x = 2,784,744,106.62/68,622.20 - Step 6: Final answer
x = 40,580.80
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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.