Finding the Fourth Proportional to 77,076.30, 115,672.88 and 32,734.19
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Solution
The fourth proportional to 77,076.30, 115,672.88 and 32,734.19 is: 49,126.09
Step by Step Solution
- Step 1: Write the proportion equation
77,076.30 : 115,672.88 = 32,734.19 : x - Step 2: Convert to fraction form
77,076.30/115,672.88 = 32,734.19/x - Step 3: Cross multiply
77,076.30x = 115,672.88 × 32,734.19 - Step 4: Simplify right side
77,076.30x = 3,786,457,289.73 - Step 5: Solve for x
x = 3,786,457,289.73/77,076.30 - Step 6: Final answer
x = 49,126.09
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1.5x scale
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.