Finding the Fourth Proportional to 79,817.79, 119,738.99 and 27,214.97
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Solution
The fourth proportional to 79,817.79, 119,738.99 and 27,214.97 is: 40,826.64
Step by Step Solution
- Step 1: Write the proportion equation
79,817.79 : 119,738.99 = 27,214.97 : x - Step 2: Convert to fraction form
79,817.79/119,738.99 = 27,214.97/x - Step 3: Cross multiply
79,817.79x = 119,738.99 × 27,214.97 - Step 4: Simplify right side
79,817.79x = 3,258,692,285.91 - Step 5: Solve for x
x = 3,258,692,285.91/79,817.79 - Step 6: Final answer
x = 40,826.64
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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.