Finding the Fourth Proportional to 76,684.12, 115,034.38 and 23,375.99
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Solution
The fourth proportional to 76,684.12, 115,034.38 and 23,375.99 is: 35,066.49
Step by Step Solution
- Step 1: Write the proportion equation
76,684.12 : 115,034.38 = 23,375.99 : x - Step 2: Convert to fraction form
76,684.12/115,034.38 = 23,375.99/x - Step 3: Cross multiply
76,684.12x = 115,034.38 × 23,375.99 - Step 4: Simplify right side
76,684.12x = 2,689,042,745.68 - Step 5: Solve for x
x = 2,689,042,745.68/76,684.12 - Step 6: Final answer
x = 35,066.49
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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.