Finding the Fourth Proportional to 87,688.46, 131,545.38 and 27,696.62
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Solution
The fourth proportional to 87,688.46, 131,545.38 and 27,696.62 is: 41,548.94
Step by Step Solution
- Step 1: Write the proportion equation
87,688.46 : 131,545.38 = 27,696.62 : x - Step 2: Convert to fraction form
87,688.46/131,545.38 = 27,696.62/x - Step 3: Cross multiply
87,688.46x = 131,545.38 × 27,696.62 - Step 4: Simplify right side
87,688.46x = 3,643,362,402.62 - Step 5: Solve for x
x = 3,643,362,402.62/87,688.46 - Step 6: Final answer
x = 41,548.94
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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.