Finding the Fourth Proportional to 89,583.31, 134,370.39 and 33,418.99
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Solution
The fourth proportional to 89,583.31, 134,370.39 and 33,418.99 is: 50,126.78
Step by Step Solution
- Step 1: Write the proportion equation
89,583.31 : 134,370.39 = 33,418.99 : x - Step 2: Convert to fraction form
89,583.31/134,370.39 = 33,418.99/x - Step 3: Cross multiply
89,583.31x = 134,370.39 × 33,418.99 - Step 4: Simplify right side
89,583.31x = 4,490,522,719.71 - Step 5: Solve for x
x = 4,490,522,719.71/89,583.31 - Step 6: Final answer
x = 50,126.78
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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.