Finding the Fourth Proportional to 107,509.08, 161,269.79 and 32,631.68
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Solution
The fourth proportional to 107,509.08, 161,269.79 and 32,631.68 is: 48,949.38
Step by Step Solution
- Step 1: Write the proportion equation
107,509.08 : 161,269.79 = 32,631.68 : x - Step 2: Convert to fraction form
107,509.08/161,269.79 = 32,631.68/x - Step 3: Cross multiply
107,509.08x = 161,269.79 × 32,631.68 - Step 4: Simplify right side
107,509.08x = 5,262,503,211.44 - Step 5: Solve for x
x = 5,262,503,211.44/107,509.08 - Step 6: Final answer
x = 48,949.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.