Finding the Fourth Proportional to 75.99, 113.97 and 60.95
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Solution
The fourth proportional to 75.99, 113.97 and 60.95 is: 91.42
Step by Step Solution
- Step 1: Write the proportion equation
75.99 : 113.97 = 60.95 : x - Step 2: Convert to fraction form
75.99/113.97 = 60.95/x - Step 3: Cross multiply
75.99x = 113.97 × 60.95 - Step 4: Simplify right side
75.99x = 6,946.98 - Step 5: Solve for x
x = 6,946.98/75.99 - Step 6: Final answer
x = 91.42
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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.