Finding the Fourth Proportional to 81,522.23, 122,318.49 and 44,108.60
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Solution
The fourth proportional to 81,522.23, 122,318.49 and 44,108.60 is: 66,181.92
Step by Step Solution
- Step 1: Write the proportion equation
81,522.23 : 122,318.49 = 44,108.60 : x - Step 2: Convert to fraction form
81,522.23/122,318.49 = 44,108.60/x - Step 3: Cross multiply
81,522.23x = 122,318.49 × 44,108.60 - Step 4: Simplify right side
81,522.23x = 5,395,297,348.01 - Step 5: Solve for x
x = 5,395,297,348.01/81,522.23 - Step 6: Final answer
x = 66,181.92
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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.