Finding the Fourth Proportional to 86,448.48, 129,672.72 and 44,808
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Solution
The fourth proportional to 86,448.48, 129,672.72 and 44,808 is: 67,212
Step by Step Solution
- Step 1: Write the proportion equation
86,448.48 : 129,672.72 = 44,808 : x - Step 2: Convert to fraction form
86,448.48/129,672.72 = 44,808/x - Step 3: Cross multiply
86,448.48x = 129,672.72 × 44,808 - Step 4: Simplify right side
86,448.48x = 5,810,375,237.76 - Step 5: Solve for x
x = 5,810,375,237.76/86,448.48 - Step 6: Final answer
x = 67,212
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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.