Finding the Fourth Proportional to 73.36, 110.10 and 68.62
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Solution
The fourth proportional to 73.36, 110.10 and 68.62 is: 102.99
Step by Step Solution
- Step 1: Write the proportion equation
73.36 : 110.10 = 68.62 : x - Step 2: Convert to fraction form
73.36/110.10 = 68.62/x - Step 3: Cross multiply
73.36x = 110.10 × 68.62 - Step 4: Simplify right side
73.36x = 7,555.06 - Step 5: Solve for x
x = 7,555.06/73.36 - Step 6: Final answer
x = 102.99
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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.