Finding the Fourth Proportional to 76,450.68, 114,646.86 and 36,462.60
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Solution
The fourth proportional to 76,450.68, 114,646.86 and 36,462.60 is: 54,679.99
Step by Step Solution
- Step 1: Write the proportion equation
76,450.68 : 114,646.86 = 36,462.60 : x - Step 2: Convert to fraction form
76,450.68/114,646.86 = 36,462.60/x - Step 3: Cross multiply
76,450.68x = 114,646.86 × 36,462.60 - Step 4: Simplify right side
76,450.68x = 4,180,322,597.44 - Step 5: Solve for x
x = 4,180,322,597.44/76,450.68 - Step 6: Final answer
x = 54,679.99
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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.