Finding the Fourth Proportional to 89,908.26, 134,857.53 and 27,578.76
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Solution
The fourth proportional to 89,908.26, 134,857.53 and 27,578.76 is: 41,366.65
Step by Step Solution
- Step 1: Write the proportion equation
89,908.26 : 134,857.53 = 27,578.76 : x - Step 2: Convert to fraction form
89,908.26/134,857.53 = 27,578.76/x - Step 3: Cross multiply
89,908.26x = 134,857.53 × 27,578.76 - Step 4: Simplify right side
89,908.26x = 3,719,203,454.06 - Step 5: Solve for x
x = 3,719,203,454.06/89,908.26 - Step 6: Final answer
x = 41,366.65
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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.