Finding the Fourth Proportional to 73,728.24, 101,716.08 and 41,455.44
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Solution
The fourth proportional to 73,728.24, 101,716.08 and 41,455.44 is: 57,192.26
Step by Step Solution
- Step 1: Write the proportion equation
73,728.24 : 101,716.08 = 41,455.44 : x - Step 2: Convert to fraction form
73,728.24/101,716.08 = 41,455.44/x - Step 3: Cross multiply
73,728.24x = 101,716.08 × 41,455.44 - Step 4: Simplify right side
73,728.24x = 4,216,684,851.48 - Step 5: Solve for x
x = 4,216,684,851.48/73,728.24 - Step 6: Final answer
x = 57,192.26
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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.