Finding the Fourth Proportional to 88,639.82, 132,941.85 and 32,460.75
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Solution
The fourth proportional to 88,639.82, 132,941.85 and 32,460.75 is: 48,684.58
Step by Step Solution
- Step 1: Write the proportion equation
88,639.82 : 132,941.85 = 32,460.75 : x - Step 2: Convert to fraction form
88,639.82/132,941.85 = 32,460.75/x - Step 3: Cross multiply
88,639.82x = 132,941.85 × 32,460.75 - Step 4: Simplify right side
88,639.82x = 4,315,392,489.74 - Step 5: Solve for x
x = 4,315,392,489.74/88,639.82 - Step 6: Final answer
x = 48,684.58
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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.