Finding the Fourth Proportional to 92,864.91, 127,660.72 and 79,896.99
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Solution
The fourth proportional to 92,864.91, 127,660.72 and 79,896.99 is: 109,833.81
Step by Step Solution
- Step 1: Write the proportion equation
92,864.91 : 127,660.72 = 79,896.99 : x - Step 2: Convert to fraction form
92,864.91/127,660.72 = 79,896.99/x - Step 3: Cross multiply
92,864.91x = 127,660.72 × 79,896.99 - Step 4: Simplify right side
92,864.91x = 10,199,707,269.23 - Step 5: Solve for x
x = 10,199,707,269.23/92,864.91 - Step 6: Final answer
x = 109,833.81
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.