Finding the Fourth Proportional to 76,654.44, 114,935.58 and 29,272.68
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Solution
The fourth proportional to 76,654.44, 114,935.58 and 29,272.68 is: 43,891.42
Step by Step Solution
- Step 1: Write the proportion equation
76,654.44 : 114,935.58 = 29,272.68 : x - Step 2: Convert to fraction form
76,654.44/114,935.58 = 29,272.68/x - Step 3: Cross multiply
76,654.44x = 114,935.58 × 29,272.68 - Step 4: Simplify right side
76,654.44x = 3,364,472,453.95 - Step 5: Solve for x
x = 3,364,472,453.95/76,654.44 - Step 6: Final answer
x = 43,891.42
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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.