Finding the Fourth Proportional to 71,890.92, 107,808.30 and 27,502.92
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Solution
The fourth proportional to 71,890.92, 107,808.30 and 27,502.92 is: 41,243.64
Step by Step Solution
- Step 1: Write the proportion equation
71,890.92 : 107,808.30 = 27,502.92 : x - Step 2: Convert to fraction form
71,890.92/107,808.30 = 27,502.92/x - Step 3: Cross multiply
71,890.92x = 107,808.30 × 27,502.92 - Step 4: Simplify right side
71,890.92x = 2,965,043,050.24 - Step 5: Solve for x
x = 2,965,043,050.24/71,890.92 - Step 6: Final answer
x = 41,243.64
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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.