Finding the Fourth Proportional to 107,997.23, 162,019.53 and 33,122.99
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Solution
The fourth proportional to 107,997.23, 162,019.53 and 33,122.99 is: 49,691.75
Step by Step Solution
- Step 1: Write the proportion equation
107,997.23 : 162,019.53 = 33,122.99 : x - Step 2: Convert to fraction form
107,997.23/162,019.53 = 33,122.99/x - Step 3: Cross multiply
107,997.23x = 162,019.53 × 33,122.99 - Step 4: Simplify right side
107,997.23x = 5,366,571,677.04 - Step 5: Solve for x
x = 5,366,571,677.04/107,997.23 - Step 6: Final answer
x = 49,691.75
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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.