Finding the Fourth Proportional to 84,976.80, 117,252.60 and 48,183.12
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Solution
The fourth proportional to 84,976.80, 117,252.60 and 48,183.12 is: 66,483.98
Step by Step Solution
- Step 1: Write the proportion equation
84,976.80 : 117,252.60 = 48,183.12 : x - Step 2: Convert to fraction form
84,976.80/117,252.60 = 48,183.12/x - Step 3: Cross multiply
84,976.80x = 117,252.60 × 48,183.12 - Step 4: Simplify right side
84,976.80x = 5,649,596,096.11 - Step 5: Solve for x
x = 5,649,596,096.11/84,976.80 - Step 6: Final answer
x = 66,483.98
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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.