Finding the Fourth Proportional to 89,620.08, 134,449.60 and 27,288.96
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Solution
The fourth proportional to 89,620.08, 134,449.60 and 27,288.96 is: 40,939.37
Step by Step Solution
- Step 1: Write the proportion equation
89,620.08 : 134,449.60 = 27,288.96 : x - Step 2: Convert to fraction form
89,620.08/134,449.60 = 27,288.96/x - Step 3: Cross multiply
89,620.08x = 134,449.60 × 27,288.96 - Step 4: Simplify right side
89,620.08x = 3,668,989,756.42 - Step 5: Solve for x
x = 3,668,989,756.42/89,620.08 - Step 6: Final answer
x = 40,939.37
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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.