Finding the Fourth Proportional to 76,755.99, 115,078.40 and 32,358.37
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Solution
The fourth proportional to 76,755.99, 115,078.40 and 32,358.37 is: 48,514.12
Step by Step Solution
- Step 1: Write the proportion equation
76,755.99 : 115,078.40 = 32,358.37 : x - Step 2: Convert to fraction form
76,755.99/115,078.40 = 32,358.37/x - Step 3: Cross multiply
76,755.99x = 115,078.40 × 32,358.37 - Step 4: Simplify right side
76,755.99x = 3,723,749,446.21 - Step 5: Solve for x
x = 3,723,749,446.21/76,755.99 - Step 6: Final answer
x = 48,514.12
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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.