Finding the Fourth Proportional to 80,755.74, 121,147.44 and 27,442.08
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Solution
The fourth proportional to 80,755.74, 121,147.44 and 27,442.08 is: 41,167.82
Step by Step Solution
- Step 1: Write the proportion equation
80,755.74 : 121,147.44 = 27,442.08 : x - Step 2: Convert to fraction form
80,755.74/121,147.44 = 27,442.08/x - Step 3: Cross multiply
80,755.74x = 121,147.44 × 27,442.08 - Step 4: Simplify right side
80,755.74x = 3,324,537,740.28 - Step 5: Solve for x
x = 3,324,537,740.28/80,755.74 - Step 6: Final answer
x = 41,167.82
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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.