Finding the Fourth Proportional to 67.67, 93.35 and 41.75
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Solution
The fourth proportional to 67.67, 93.35 and 41.75 is: 57.59
Step by Step Solution
- Step 1: Write the proportion equation
67.67 : 93.35 = 41.75 : x - Step 2: Convert to fraction form
67.67/93.35 = 41.75/x - Step 3: Cross multiply
67.67x = 93.35 × 41.75 - Step 4: Simplify right side
67.67x = 3,897.15 - Step 5: Solve for x
x = 3,897.15/67.67 - Step 6: Final answer
x = 57.59
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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.