Finding the Fourth Proportional to 75.63, 104.36 and 60.08
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Solution
The fourth proportional to 75.63, 104.36 and 60.08 is: 82.89
Step by Step Solution
- Step 1: Write the proportion equation
75.63 : 104.36 = 60.08 : x - Step 2: Convert to fraction form
75.63/104.36 = 60.08/x - Step 3: Cross multiply
75.63x = 104.36 × 60.08 - Step 4: Simplify right side
75.63x = 6,269.13 - Step 5: Solve for x
x = 6,269.13/75.63 - Step 6: Final answer
x = 82.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.