Finding the Fourth Proportional to 87,764.14, 131,646.58 and 27,792.92
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Solution
The fourth proportional to 87,764.14, 131,646.58 and 27,792.92 is: 41,689.50
Step by Step Solution
- Step 1: Write the proportion equation
87,764.14 : 131,646.58 = 27,792.92 : x - Step 2: Convert to fraction form
87,764.14/131,646.58 = 27,792.92/x - Step 3: Cross multiply
87,764.14x = 131,646.58 × 27,792.92 - Step 4: Simplify right side
87,764.14x = 3,658,843,282.18 - Step 5: Solve for x
x = 3,658,843,282.18/87,764.14 - Step 6: Final answer
x = 41,689.50
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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.