Finding the Fourth Proportional to 89,553.20, 134,324.95 and 27,218.84
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Solution
The fourth proportional to 89,553.20, 134,324.95 and 27,218.84 is: 40,826.79
Step by Step Solution
- Step 1: Write the proportion equation
89,553.20 : 134,324.95 = 27,218.84 : x - Step 2: Convert to fraction form
89,553.20/134,324.95 = 27,218.84/x - Step 3: Cross multiply
89,553.20x = 134,324.95 × 27,218.84 - Step 4: Simplify right side
89,553.20x = 3,656,169,322.06 - Step 5: Solve for x
x = 3,656,169,322.06/89,553.20 - Step 6: Final answer
x = 40,826.79
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1.5x scale
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.