Finding the Fourth Proportional to 84.05, 125.99 and 60.02
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Solution
The fourth proportional to 84.05, 125.99 and 60.02 is: 89.96
Step by Step Solution
- Step 1: Write the proportion equation
84.05 : 125.99 = 60.02 : x - Step 2: Convert to fraction form
84.05/125.99 = 60.02/x - Step 3: Cross multiply
84.05x = 125.99 × 60.02 - Step 4: Simplify right side
84.05x = 7,560.99 - Step 5: Solve for x
x = 7,560.99/84.05 - Step 6: Final answer
x = 89.96
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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.