Finding the Fourth Proportional to 68,616.73, 102,846.12 and 26,478.18
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Solution
The fourth proportional to 68,616.73, 102,846.12 and 26,478.18 is: 39,686.79
Step by Step Solution
- Step 1: Write the proportion equation
68,616.73 : 102,846.12 = 26,478.18 : x - Step 2: Convert to fraction form
68,616.73/102,846.12 = 26,478.18/x - Step 3: Cross multiply
68,616.73x = 102,846.12 × 26,478.18 - Step 4: Simplify right side
68,616.73x = 2,723,178,038.53 - Step 5: Solve for x
x = 2,723,178,038.53/68,616.73 - Step 6: Final answer
x = 39,686.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.