Finding the Fourth Proportional to 88,364.32, 132,492.96 and 39,668.68
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Solution
The fourth proportional to 88,364.32, 132,492.96 and 39,668.68 is: 59,478.99
Step by Step Solution
- Step 1: Write the proportion equation
88,364.32 : 132,492.96 = 39,668.68 : x - Step 2: Convert to fraction form
88,364.32/132,492.96 = 39,668.68/x - Step 3: Cross multiply
88,364.32x = 132,492.96 × 39,668.68 - Step 4: Simplify right side
88,364.32x = 5,255,820,832.49 - Step 5: Solve for x
x = 5,255,820,832.49/88,364.32 - Step 6: Final answer
x = 59,478.99
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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.