Finding the Fourth Proportional to 96,516.12, 133,197.72 and 54,088.32
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Solution
The fourth proportional to 96,516.12, 133,197.72 and 54,088.32 is: 74,644.95
Step by Step Solution
- Step 1: Write the proportion equation
96,516.12 : 133,197.72 = 54,088.32 : x - Step 2: Convert to fraction form
96,516.12/133,197.72 = 54,088.32/x - Step 3: Cross multiply
96,516.12x = 133,197.72 × 54,088.32 - Step 4: Simplify right side
96,516.12x = 7,204,440,902.63 - Step 5: Solve for x
x = 7,204,440,902.63/96,516.12 - Step 6: Final answer
x = 74,644.95
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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.