Finding the Fourth Proportional to 89,480.31, 134,121.99 and 36,861.09
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Solution
The fourth proportional to 89,480.31, 134,121.99 and 36,861.09 is: 55,251.07
Step by Step Solution
- Step 1: Write the proportion equation
89,480.31 : 134,121.99 = 36,861.09 : x - Step 2: Convert to fraction form
89,480.31/134,121.99 = 36,861.09/x - Step 3: Cross multiply
89,480.31x = 134,121.99 × 36,861.09 - Step 4: Simplify right side
89,480.31x = 4,943,882,744.37 - Step 5: Solve for x
x = 4,943,882,744.37/89,480.31 - Step 6: Final answer
x = 55,251.07
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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.