Finding the Fourth Proportional to 48.09, 71.69 and 46.98
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Solution
The fourth proportional to 48.09, 71.69 and 46.98 is: 70.02
Step by Step Solution
- Step 1: Write the proportion equation
48.09 : 71.69 = 46.98 : x - Step 2: Convert to fraction form
48.09/71.69 = 46.98/x - Step 3: Cross multiply
48.09x = 71.69 × 46.98 - Step 4: Simplify right side
48.09x = 3,367.76 - Step 5: Solve for x
x = 3,367.76/48.09 - Step 6: Final answer
x = 70.02
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.