Finding the Fourth Proportional to 88,631.46, 122,311.79 and 48,346.08
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Solution
The fourth proportional to 88,631.46, 122,311.79 and 48,346.08 is: 66,717.79
Step by Step Solution
- Step 1: Write the proportion equation
88,631.46 : 122,311.79 = 48,346.08 : x - Step 2: Convert to fraction form
88,631.46/122,311.79 = 48,346.08/x - Step 3: Cross multiply
88,631.46x = 122,311.79 × 48,346.08 - Step 4: Simplify right side
88,631.46x = 5,913,295,342.55 - Step 5: Solve for x
x = 5,913,295,342.55/88,631.46 - Step 6: Final answer
x = 66,717.79
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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.