Finding the Fourth Proportional to 91,122.24, 125,748.84 and 53,396.52
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Solution
The fourth proportional to 91,122.24, 125,748.84 and 53,396.52 is: 73,687.28
Step by Step Solution
- Step 1: Write the proportion equation
91,122.24 : 125,748.84 = 53,396.52 : x - Step 2: Convert to fraction form
91,122.24/125,748.84 = 53,396.52/x - Step 3: Cross multiply
91,122.24x = 125,748.84 × 53,396.52 - Step 4: Simplify right side
91,122.24x = 6,714,550,450.04 - Step 5: Solve for x
x = 6,714,550,450.04/91,122.24 - Step 6: Final answer
x = 73,687.28
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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.