Finding the Fourth Proportional to 91,583.48, 126,400.44 and 62,879.66
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Solution
The fourth proportional to 91,583.48, 126,400.44 and 62,879.66 is: 86,784.39
Step by Step Solution
- Step 1: Write the proportion equation
91,583.48 : 126,400.44 = 62,879.66 : x - Step 2: Convert to fraction form
91,583.48/126,400.44 = 62,879.66/x - Step 3: Cross multiply
91,583.48x = 126,400.44 × 62,879.66 - Step 4: Simplify right side
91,583.48x = 7,948,016,691.05 - Step 5: Solve for x
x = 7,948,016,691.05/91,583.48 - Step 6: Final answer
x = 86,784.39
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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.