Finding the Fourth Proportional to 86,013.44, 118,698.56 and 48,299.84
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Solution
The fourth proportional to 86,013.44, 118,698.56 and 48,299.84 is: 66,653.79
Step by Step Solution
- Step 1: Write the proportion equation
86,013.44 : 118,698.56 = 48,299.84 : x - Step 2: Convert to fraction form
86,013.44/118,698.56 = 48,299.84/x - Step 3: Cross multiply
86,013.44x = 118,698.56 × 48,299.84 - Step 4: Simplify right side
86,013.44x = 5,733,121,456.23 - Step 5: Solve for x
x = 5,733,121,456.23/86,013.44 - Step 6: Final answer
x = 66,653.79
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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.