Finding the Fourth Proportional to 91,006.36, 136,509.84 and 27,826.24
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Solution
The fourth proportional to 91,006.36, 136,509.84 and 27,826.24 is: 41,739.45
Step by Step Solution
- Step 1: Write the proportion equation
91,006.36 : 136,509.84 = 27,826.24 : x - Step 2: Convert to fraction form
91,006.36/136,509.84 = 27,826.24/x - Step 3: Cross multiply
91,006.36x = 136,509.84 × 27,826.24 - Step 4: Simplify right side
91,006.36x = 3,798,555,570.20 - Step 5: Solve for x
x = 3,798,555,570.20/91,006.36 - Step 6: Final answer
x = 41,739.45
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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.