Finding the Fourth Proportional to 76,311.22, 114,471.96 and 26,396.14
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Solution
The fourth proportional to 76,311.22, 114,471.96 and 26,396.14 is: 39,595.98
Step by Step Solution
- Step 1: Write the proportion equation
76,311.22 : 114,471.96 = 26,396.14 : x - Step 2: Convert to fraction form
76,311.22/114,471.96 = 26,396.14/x - Step 3: Cross multiply
76,311.22x = 114,471.96 × 26,396.14 - Step 4: Simplify right side
76,311.22x = 3,021,617,882.23 - Step 5: Solve for x
x = 3,021,617,882.23/76,311.22 - Step 6: Final answer
x = 39,595.98
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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.