Finding the Fourth Proportional to 71,199.53, 106,815.50 and 37,902.05
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Solution
The fourth proportional to 71,199.53, 106,815.50 and 37,902.05 is: 56,861.70
Step by Step Solution
- Step 1: Write the proportion equation
71,199.53 : 106,815.50 = 37,902.05 : x - Step 2: Convert to fraction form
71,199.53/106,815.50 = 37,902.05/x - Step 3: Cross multiply
71,199.53x = 106,815.50 × 37,902.05 - Step 4: Simplify right side
71,199.53x = 4,048,526,232.26 - Step 5: Solve for x
x = 4,048,526,232.26/71,199.53 - Step 6: Final answer
x = 56,861.70
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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.