Finding the Fourth Proportional to 68.95, 95.99 and 68.95
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Solution
The fourth proportional to 68.95, 95.99 and 68.95 is: 95.99
Step by Step Solution
- Step 1: Write the proportion equation
68.95 : 95.99 = 68.95 : x - Step 2: Convert to fraction form
68.95/95.99 = 68.95/x - Step 3: Cross multiply
68.95x = 95.99 × 68.95 - Step 4: Simplify right side
68.95x = 6,618.29 - Step 5: Solve for x
x = 6,618.29/68.95 - Step 6: Final answer
x = 95.99
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.