Finding the Fourth Proportional to 89,718.76, 134,578.68 and 27,389.26
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Solution
The fourth proportional to 89,718.76, 134,578.68 and 27,389.26 is: 41,084.05
Step by Step Solution
- Step 1: Write the proportion equation
89,718.76 : 134,578.68 = 27,389.26 : x - Step 2: Convert to fraction form
89,718.76/134,578.68 = 27,389.26/x - Step 3: Cross multiply
89,718.76x = 134,578.68 × 27,389.26 - Step 4: Simplify right side
89,718.76x = 3,686,010,456.98 - Step 5: Solve for x
x = 3,686,010,456.98/89,718.76 - Step 6: Final answer
x = 41,084.05
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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.