Finding the Fourth Proportional to 96,121.99, 132,639.24 and 55,834.66
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Solution
The fourth proportional to 96,121.99, 132,639.24 and 55,834.66 is: 77,046.54
Step by Step Solution
- Step 1: Write the proportion equation
96,121.99 : 132,639.24 = 55,834.66 : x - Step 2: Convert to fraction form
96,121.99/132,639.24 = 55,834.66/x - Step 3: Cross multiply
96,121.99x = 132,639.24 × 55,834.66 - Step 4: Simplify right side
96,121.99x = 7,405,866,868.06 - Step 5: Solve for x
x = 7,405,866,868.06/96,121.99 - Step 6: Final answer
x = 77,046.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.