Finding the Fourth Proportional to 71,192.23, 106,735.64 and 43,105.68
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Solution
The fourth proportional to 71,192.23, 106,735.64 and 43,105.68 is: 64,626.61
Step by Step Solution
- Step 1: Write the proportion equation
71,192.23 : 106,735.64 = 43,105.68 : x - Step 2: Convert to fraction form
71,192.23/106,735.64 = 43,105.68/x - Step 3: Cross multiply
71,192.23x = 106,735.64 × 43,105.68 - Step 4: Simplify right side
71,192.23x = 4,600,912,126.91 - Step 5: Solve for x
x = 4,600,912,126.91/71,192.23 - Step 6: Final answer
x = 64,626.61
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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.