Finding the Fourth Proportional to 89,660.52, 134,490.24 and 27,331.02
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Solution
The fourth proportional to 89,660.52, 134,490.24 and 27,331.02 is: 40,996.37
Step by Step Solution
- Step 1: Write the proportion equation
89,660.52 : 134,490.24 = 27,331.02 : x - Step 2: Convert to fraction form
89,660.52/134,490.24 = 27,331.02/x - Step 3: Cross multiply
89,660.52x = 134,490.24 × 27,331.02 - Step 4: Simplify right side
89,660.52x = 3,675,755,439.24 - Step 5: Solve for x
x = 3,675,755,439.24/89,660.52 - Step 6: Final answer
x = 40,996.37
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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.