Finding the Fourth Proportional to 71,812.37, 107,814.00 and 61,349.64
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Solution
The fourth proportional to 71,812.37, 107,814.00 and 61,349.64 is: 92,105.99
Step by Step Solution
- Step 1: Write the proportion equation
71,812.37 : 107,814.00 = 61,349.64 : x - Step 2: Convert to fraction form
71,812.37/107,814.00 = 61,349.64/x - Step 3: Cross multiply
71,812.37x = 107,814.00 × 61,349.64 - Step 4: Simplify right side
71,812.37x = 6,614,349,912.72 - Step 5: Solve for x
x = 6,614,349,912.72/71,812.37 - Step 6: Final answer
x = 92,105.99
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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.