Finding the Fourth Proportional to 63.99, 96.09 and 43.74
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Solution
The fourth proportional to 63.99, 96.09 and 43.74 is: 65.68
Step by Step Solution
- Step 1: Write the proportion equation
63.99 : 96.09 = 43.74 : x - Step 2: Convert to fraction form
63.99/96.09 = 43.74/x - Step 3: Cross multiply
63.99x = 96.09 × 43.74 - Step 4: Simplify right side
63.99x = 4,202.81 - Step 5: Solve for x
x = 4,202.81/63.99 - Step 6: Final answer
x = 65.68
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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.