Finding the Fourth Proportional to 68,489.44, 102,749.92 and 29,048.08
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Solution
The fourth proportional to 68,489.44, 102,749.92 and 29,048.08 is: 43,578.80
Step by Step Solution
- Step 1: Write the proportion equation
68,489.44 : 102,749.92 = 29,048.08 : x - Step 2: Convert to fraction form
68,489.44/102,749.92 = 29,048.08/x - Step 3: Cross multiply
68,489.44x = 102,749.92 × 29,048.08 - Step 4: Simplify right side
68,489.44x = 2,984,687,896.15 - Step 5: Solve for x
x = 2,984,687,896.15/68,489.44 - Step 6: Final answer
x = 43,578.80
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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.