Finding the Fourth Proportional to 88,948.58, 122,675.97 and 63,446.79
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Solution
The fourth proportional to 88,948.58, 122,675.97 and 63,446.79 is: 87,504.45
Step by Step Solution
- Step 1: Write the proportion equation
88,948.58 : 122,675.97 = 63,446.79 : x - Step 2: Convert to fraction form
88,948.58/122,675.97 = 63,446.79/x - Step 3: Cross multiply
88,948.58x = 122,675.97 × 63,446.79 - Step 4: Simplify right side
88,948.58x = 7,783,396,847.71 - Step 5: Solve for x
x = 7,783,396,847.71/88,948.58 - Step 6: Final answer
x = 87,504.45
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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.