Finding the Fourth Proportional to 89,827.14, 134,740.70 and 27,489.54
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Solution
The fourth proportional to 89,827.14, 134,740.70 and 27,489.54 is: 41,234.31
Step by Step Solution
- Step 1: Write the proportion equation
89,827.14 : 134,740.70 = 27,489.54 : x - Step 2: Convert to fraction form
89,827.14/134,740.70 = 27,489.54/x - Step 3: Cross multiply
89,827.14x = 134,740.70 × 27,489.54 - Step 4: Simplify right side
89,827.14x = 3,703,959,862.28 - Step 5: Solve for x
x = 3,703,959,862.28/89,827.14 - Step 6: Final answer
x = 41,234.31
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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.