Finding the Fourth Proportional to 96,709.68, 133,455.87 and 53,691.03
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Solution
The fourth proportional to 96,709.68, 133,455.87 and 53,691.03 is: 74,091.68
Step by Step Solution
- Step 1: Write the proportion equation
96,709.68 : 133,455.87 = 53,691.03 : x - Step 2: Convert to fraction form
96,709.68/133,455.87 = 53,691.03/x - Step 3: Cross multiply
96,709.68x = 133,455.87 × 53,691.03 - Step 4: Simplify right side
96,709.68x = 7,165,383,119.85 - Step 5: Solve for x
x = 7,165,383,119.85/96,709.68 - Step 6: Final answer
x = 74,091.68
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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.