Finding the Fourth Proportional to 67.71, 93.47 and 49.08
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Solution
The fourth proportional to 67.71, 93.47 and 49.08 is: 67.75
Step by Step Solution
- Step 1: Write the proportion equation
67.71 : 93.47 = 49.08 : x - Step 2: Convert to fraction form
67.71/93.47 = 49.08/x - Step 3: Cross multiply
67.71x = 93.47 × 49.08 - Step 4: Simplify right side
67.71x = 4,587.51 - Step 5: Solve for x
x = 4,587.51/67.71 - Step 6: Final answer
x = 67.75
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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.