Finding the Fourth Proportional to 86,505.44, 119,377.68 and 46,761.44
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Solution
The fourth proportional to 86,505.44, 119,377.68 and 46,761.44 is: 64,530.88
Step by Step Solution
- Step 1: Write the proportion equation
86,505.44 : 119,377.68 = 46,761.44 : x - Step 2: Convert to fraction form
86,505.44/119,377.68 = 46,761.44/x - Step 3: Cross multiply
86,505.44x = 119,377.68 × 46,761.44 - Step 4: Simplify right side
86,505.44x = 5,582,272,220.66 - Step 5: Solve for x
x = 5,582,272,220.66/86,505.44 - Step 6: Final answer
x = 64,530.88
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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.