Finding the Fourth Proportional to 75.41, 104.00 and 50.82
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Solution
The fourth proportional to 75.41, 104.00 and 50.82 is: 70.09
Step by Step Solution
- Step 1: Write the proportion equation
75.41 : 104.00 = 50.82 : x - Step 2: Convert to fraction form
75.41/104.00 = 50.82/x - Step 3: Cross multiply
75.41x = 104.00 × 50.82 - Step 4: Simplify right side
75.41x = 5,285.03 - Step 5: Solve for x
x = 5,285.03/75.41 - Step 6: Final answer
x = 70.09
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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.