Finding the Fourth Proportional to 84,356.36, 126,539.94 and 31,062.68
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Solution
The fourth proportional to 84,356.36, 126,539.94 and 31,062.68 is: 46,596.01
Step by Step Solution
- Step 1: Write the proportion equation
84,356.36 : 126,539.94 = 31,062.68 : x - Step 2: Convert to fraction form
84,356.36/126,539.94 = 31,062.68/x - Step 3: Cross multiply
84,356.36x = 126,539.94 × 31,062.68 - Step 4: Simplify right side
84,356.36x = 3,930,669,663.44 - Step 5: Solve for x
x = 3,930,669,663.44/84,356.36 - Step 6: Final answer
x = 46,596.01
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.