Finding the Fourth Proportional to 91,339.03, 136,993.60 and 32,160.79
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Solution
The fourth proportional to 91,339.03, 136,993.60 and 32,160.79 is: 48,235.92
Step by Step Solution
- Step 1: Write the proportion equation
91,339.03 : 136,993.60 = 32,160.79 : x - Step 2: Convert to fraction form
91,339.03/136,993.60 = 32,160.79/x - Step 3: Cross multiply
91,339.03x = 136,993.60 × 32,160.79 - Step 4: Simplify right side
91,339.03x = 4,405,821,635.57 - Step 5: Solve for x
x = 4,405,821,635.57/91,339.03 - Step 6: Final answer
x = 48,235.92
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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.