Finding the Fourth Proportional to 79,610.76, 119,427.12 and 27,006.12
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Solution
The fourth proportional to 79,610.76, 119,427.12 and 27,006.12 is: 40,512.90
Step by Step Solution
- Step 1: Write the proportion equation
79,610.76 : 119,427.12 = 27,006.12 : x - Step 2: Convert to fraction form
79,610.76/119,427.12 = 27,006.12/x - Step 3: Cross multiply
79,610.76x = 119,427.12 × 27,006.12 - Step 4: Simplify right side
79,610.76x = 3,225,263,133.97 - Step 5: Solve for x
x = 3,225,263,133.97/79,610.76 - Step 6: Final answer
x = 40,512.90
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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.