Finding the Fourth Proportional to 112,556.24, 168,822.84 and 29,439.44
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Solution
The fourth proportional to 112,556.24, 168,822.84 and 29,439.44 is: 44,156.15
Step by Step Solution
- Step 1: Write the proportion equation
112,556.24 : 168,822.84 = 29,439.44 : x - Step 2: Convert to fraction form
112,556.24/168,822.84 = 29,439.44/x - Step 3: Cross multiply
112,556.24x = 168,822.84 × 29,439.44 - Step 4: Simplify right side
112,556.24x = 4,970,049,868.81 - Step 5: Solve for x
x = 4,970,049,868.81/112,556.24 - Step 6: Final answer
x = 44,156.15
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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.