Finding the Fourth Proportional to 96.76, 144.94 and 74.76
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Solution
The fourth proportional to 96.76, 144.94 and 74.76 is: 111.99
Step by Step Solution
- Step 1: Write the proportion equation
96.76 : 144.94 = 74.76 : x - Step 2: Convert to fraction form
96.76/144.94 = 74.76/x - Step 3: Cross multiply
96.76x = 144.94 × 74.76 - Step 4: Simplify right side
96.76x = 10,835.71 - Step 5: Solve for x
x = 10,835.71/96.76 - Step 6: Final answer
x = 111.99
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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.