Finding the Fourth Proportional to 73.68, 110.18 and 62.99
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Solution
The fourth proportional to 73.68, 110.18 and 62.99 is: 94.18
Step by Step Solution
- Step 1: Write the proportion equation
73.68 : 110.18 = 62.99 : x - Step 2: Convert to fraction form
73.68/110.18 = 62.99/x - Step 3: Cross multiply
73.68x = 110.18 × 62.99 - Step 4: Simplify right side
73.68x = 6,939.37 - Step 5: Solve for x
x = 6,939.37/73.68 - Step 6: Final answer
x = 94.18
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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.