Finding the Fourth Proportional to 76,906.84, 115,372.59 and 32,546.29
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Solution
The fourth proportional to 76,906.84, 115,372.59 and 32,546.29 is: 48,824.65
Step by Step Solution
- Step 1: Write the proportion equation
76,906.84 : 115,372.59 = 32,546.29 : x - Step 2: Convert to fraction form
76,906.84/115,372.59 = 32,546.29/x - Step 3: Cross multiply
76,906.84x = 115,372.59 × 32,546.29 - Step 4: Simplify right side
76,906.84x = 3,754,949,772.19 - Step 5: Solve for x
x = 3,754,949,772.19/76,906.84 - Step 6: Final answer
x = 48,824.65
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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.