Finding the Fourth Proportional to 96,879.92, 145,309.08 and 33,689.12
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Solution
The fourth proportional to 96,879.92, 145,309.08 and 33,689.12 is: 50,529.92
Step by Step Solution
- Step 1: Write the proportion equation
96,879.92 : 145,309.08 = 33,689.12 : x - Step 2: Convert to fraction form
96,879.92/145,309.08 = 33,689.12/x - Step 3: Cross multiply
96,879.92x = 145,309.08 × 33,689.12 - Step 4: Simplify right side
96,879.92x = 4,895,335,033.21 - Step 5: Solve for x
x = 4,895,335,033.21/96,879.92 - Step 6: Final answer
x = 50,529.92
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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.