Finding the Fourth Proportional to 68,618.73, 102,849.12 and 26,480.18
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Solution
The fourth proportional to 68,618.73, 102,849.12 and 26,480.18 is: 39,689.79
Step by Step Solution
- Step 1: Write the proportion equation
68,618.73 : 102,849.12 = 26,480.18 : x - Step 2: Convert to fraction form
68,618.73/102,849.12 = 26,480.18/x - Step 3: Cross multiply
68,618.73x = 102,849.12 × 26,480.18 - Step 4: Simplify right side
68,618.73x = 2,723,463,210.44 - Step 5: Solve for x
x = 2,723,463,210.44/68,618.73 - Step 6: Final answer
x = 39,689.79
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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.