Finding the Fourth Proportional to 58,239.99, 80,361.36 and 32,742.99
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Solution
The fourth proportional to 58,239.99, 80,361.36 and 32,742.99 is: 45,179.80
Step by Step Solution
- Step 1: Write the proportion equation
58,239.99 : 80,361.36 = 32,742.99 : x - Step 2: Convert to fraction form
58,239.99/80,361.36 = 32,742.99/x - Step 3: Cross multiply
58,239.99x = 80,361.36 × 32,742.99 - Step 4: Simplify right side
58,239.99x = 2,631,271,206.87 - Step 5: Solve for x
x = 2,631,271,206.87/58,239.99 - Step 6: Final answer
x = 45,179.80
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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.