Finding the Fourth Proportional to 75,956.88, 113,861.26 and 30,350.98
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Solution
The fourth proportional to 75,956.88, 113,861.26 and 30,350.98 is: 45,496.88
Step by Step Solution
- Step 1: Write the proportion equation
75,956.88 : 113,861.26 = 30,350.98 : x - Step 2: Convert to fraction form
75,956.88/113,861.26 = 30,350.98/x - Step 3: Cross multiply
75,956.88x = 113,861.26 × 30,350.98 - Step 4: Simplify right side
75,956.88x = 3,455,800,825.03 - Step 5: Solve for x
x = 3,455,800,825.03/75,956.88 - Step 6: Final answer
x = 45,496.88
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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.