Finding the Fourth Proportional to 96,765.87, 133,536.92 and 54,338.07
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Solution
The fourth proportional to 96,765.87, 133,536.92 and 54,338.07 is: 74,986.54
Step by Step Solution
- Step 1: Write the proportion equation
96,765.87 : 133,536.92 = 54,338.07 : x - Step 2: Convert to fraction form
96,765.87/133,536.92 = 54,338.07/x - Step 3: Cross multiply
96,765.87x = 133,536.92 × 54,338.07 - Step 4: Simplify right side
96,765.87x = 7,256,138,234.85 - Step 5: Solve for x
x = 7,256,138,234.85/96,765.87 - Step 6: Final answer
x = 74,986.54
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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.