Finding the Fourth Proportional to 79,837.20, 119,755.78 and 27,246.68
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Solution
The fourth proportional to 79,837.20, 119,755.78 and 27,246.68 is: 40,870.01
Step by Step Solution
- Step 1: Write the proportion equation
79,837.20 : 119,755.78 = 27,246.68 : x - Step 2: Convert to fraction form
79,837.20/119,755.78 = 27,246.68/x - Step 3: Cross multiply
79,837.20x = 119,755.78 × 27,246.68 - Step 4: Simplify right side
79,837.20x = 3,262,947,415.81 - Step 5: Solve for x
x = 3,262,947,415.81/79,837.20 - Step 6: Final answer
x = 40,870.01
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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.