Finding the Fourth Proportional to 107,515.23, 161,220.60 and 32,621.82
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Solution
The fourth proportional to 107,515.23, 161,220.60 and 32,621.82 is: 48,916.88
Step by Step Solution
- Step 1: Write the proportion equation
107,515.23 : 161,220.60 = 32,621.82 : x - Step 2: Convert to fraction form
107,515.23/161,220.60 = 32,621.82/x - Step 3: Cross multiply
107,515.23x = 161,220.60 × 32,621.82 - Step 4: Simplify right side
107,515.23x = 5,259,309,393.49 - Step 5: Solve for x
x = 5,259,309,393.49/107,515.23 - Step 6: Final answer
x = 48,916.88
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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.