Finding the Fourth Proportional to 86,544.62, 119,437.57 and 48,311.67
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Solution
The fourth proportional to 86,544.62, 119,437.57 and 48,311.67 is: 66,673.46
Step by Step Solution
- Step 1: Write the proportion equation
86,544.62 : 119,437.57 = 48,311.67 : x - Step 2: Convert to fraction form
86,544.62/119,437.57 = 48,311.67/x - Step 3: Cross multiply
86,544.62x = 119,437.57 × 48,311.67 - Step 4: Simplify right side
86,544.62x = 5,770,228,975.72 - Step 5: Solve for x
x = 5,770,228,975.72/86,544.62 - Step 6: Final answer
x = 66,673.46
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1.5x scale
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.