Finding the Fourth Proportional to 107,996.22, 161,975.86 and 29,091.99
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Solution
The fourth proportional to 107,996.22, 161,975.86 and 29,091.99 is: 43,633.01
Step by Step Solution
- Step 1: Write the proportion equation
107,996.22 : 161,975.86 = 29,091.99 : x - Step 2: Convert to fraction form
107,996.22/161,975.86 = 29,091.99/x - Step 3: Cross multiply
107,996.22x = 161,975.86 × 29,091.99 - Step 4: Simplify right side
107,996.22x = 4,712,200,099.36 - Step 5: Solve for x
x = 4,712,200,099.36/107,996.22 - Step 6: Final answer
x = 43,633.01
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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.