Finding the Fourth Proportional to 75.33, 113.13 and 63.99
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Solution
The fourth proportional to 75.33, 113.13 and 63.99 is: 96.10
Step by Step Solution
- Step 1: Write the proportion equation
75.33 : 113.13 = 63.99 : x - Step 2: Convert to fraction form
75.33/113.13 = 63.99/x - Step 3: Cross multiply
75.33x = 113.13 × 63.99 - Step 4: Simplify right side
75.33x = 7,239.19 - Step 5: Solve for x
x = 7,239.19/75.33 - Step 6: Final answer
x = 96.10
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.