Finding the Fourth Proportional to 84,520.92, 126,580.12 and 48,907.19
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Solution
The fourth proportional to 84,520.92, 126,580.12 and 48,907.19 is: 73,244.32
Step by Step Solution
- Step 1: Write the proportion equation
84,520.92 : 126,580.12 = 48,907.19 : x - Step 2: Convert to fraction form
84,520.92/126,580.12 = 48,907.19/x - Step 3: Cross multiply
84,520.92x = 126,580.12 × 48,907.19 - Step 4: Simplify right side
84,520.92x = 6,190,677,346.16 - Step 5: Solve for x
x = 6,190,677,346.16/84,520.92 - Step 6: Final answer
x = 73,244.32
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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.