Finding the Fourth Proportional to 89,618.75, 134,447.58 and 27,287.63
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Solution
The fourth proportional to 89,618.75, 134,447.58 and 27,287.63 is: 40,937.37
Step by Step Solution
- Step 1: Write the proportion equation
89,618.75 : 134,447.58 = 27,287.63 : x - Step 2: Convert to fraction form
89,618.75/134,447.58 = 27,287.63/x - Step 3: Cross multiply
89,618.75x = 134,447.58 × 27,287.63 - Step 4: Simplify right side
89,618.75x = 3,668,755,817.44 - Step 5: Solve for x
x = 3,668,755,817.44/89,618.75 - Step 6: Final answer
x = 40,937.37
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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.