Finding the Fourth Proportional to 76,380.28, 114,543.08 and 26,446.97
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Solution
The fourth proportional to 76,380.28, 114,543.08 and 26,446.97 is: 39,660.99
Step by Step Solution
- Step 1: Write the proportion equation
76,380.28 : 114,543.08 = 26,446.97 : x - Step 2: Convert to fraction form
76,380.28/114,543.08 = 26,446.97/x - Step 3: Cross multiply
76,380.28x = 114,543.08 × 26,446.97 - Step 4: Simplify right side
76,380.28x = 3,029,317,047.99 - Step 5: Solve for x
x = 3,029,317,047.99/76,380.28 - Step 6: Final answer
x = 39,660.99
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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.