Finding the Fourth Proportional to 95.05, 142.53 and 69.44
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Solution
The fourth proportional to 95.05, 142.53 and 69.44 is: 104.12
Step by Step Solution
- Step 1: Write the proportion equation
95.05 : 142.53 = 69.44 : x - Step 2: Convert to fraction form
95.05/142.53 = 69.44/x - Step 3: Cross multiply
95.05x = 142.53 × 69.44 - Step 4: Simplify right side
95.05x = 9,896.22 - Step 5: Solve for x
x = 9,896.22/95.05 - Step 6: Final answer
x = 104.12
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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.