Finding the Fourth Proportional to 96,206.28, 132,727.05 and 55,912.83
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Solution
The fourth proportional to 96,206.28, 132,727.05 and 55,912.83 is: 77,137.84
Step by Step Solution
- Step 1: Write the proportion equation
96,206.28 : 132,727.05 = 55,912.83 : x - Step 2: Convert to fraction form
96,206.28/132,727.05 = 55,912.83/x - Step 3: Cross multiply
96,206.28x = 132,727.05 × 55,912.83 - Step 4: Simplify right side
96,206.28x = 7,421,144,983.05 - Step 5: Solve for x
x = 7,421,144,983.05/96,206.28 - Step 6: Final answer
x = 77,137.84
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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.