Finding the Fourth Proportional to 91,091.70, 136,622.04 and 24,516.99
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Solution
The fourth proportional to 91,091.70, 136,622.04 and 24,516.99 is: 36,771.31
Step by Step Solution
- Step 1: Write the proportion equation
91,091.70 : 136,622.04 = 24,516.99 : x - Step 2: Convert to fraction form
91,091.70/136,622.04 = 24,516.99/x - Step 3: Cross multiply
91,091.70x = 136,622.04 × 24,516.99 - Step 4: Simplify right side
91,091.70x = 3,349,561,188.46 - Step 5: Solve for x
x = 3,349,561,188.46/91,091.70 - Step 6: Final answer
x = 36,771.31
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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.