Finding the Fourth Proportional to 76,524.18, 114,710.90 and 32,163.54
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Solution
The fourth proportional to 76,524.18, 114,710.90 and 32,163.54 is: 48,213.63
Step by Step Solution
- Step 1: Write the proportion equation
76,524.18 : 114,710.90 = 32,163.54 : x - Step 2: Convert to fraction form
76,524.18/114,710.90 = 32,163.54/x - Step 3: Cross multiply
76,524.18x = 114,710.90 × 32,163.54 - Step 4: Simplify right side
76,524.18x = 3,689,508,620.59 - Step 5: Solve for x
x = 3,689,508,620.59/76,524.18 - Step 6: Final answer
x = 48,213.63
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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.