Finding the Fourth Proportional to 94.14, 129.92 and 73.44
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Solution
The fourth proportional to 94.14, 129.92 and 73.44 is: 101.35
Step by Step Solution
- Step 1: Write the proportion equation
94.14 : 129.92 = 73.44 : x - Step 2: Convert to fraction form
94.14/129.92 = 73.44/x - Step 3: Cross multiply
94.14x = 129.92 × 73.44 - Step 4: Simplify right side
94.14x = 9,540.96 - Step 5: Solve for x
x = 9,540.96/94.14 - Step 6: Final answer
x = 101.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.