Finding the Fourth Proportional to 89,012.10, 122,837.87 and 48,724.99
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Solution
The fourth proportional to 89,012.10, 122,837.87 and 48,724.99 is: 67,241.13
Step by Step Solution
- Step 1: Write the proportion equation
89,012.10 : 122,837.87 = 48,724.99 : x - Step 2: Convert to fraction form
89,012.10/122,837.87 = 48,724.99/x - Step 3: Cross multiply
89,012.10x = 122,837.87 × 48,724.99 - Step 4: Simplify right side
89,012.10x = 5,985,274,218.97 - Step 5: Solve for x
x = 5,985,274,218.97/89,012.10 - Step 6: Final answer
x = 67,241.13
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.