Finding the Fourth Proportional to 80,331.36, 110,859.12 and 46,785.12
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Solution
The fourth proportional to 80,331.36, 110,859.12 and 46,785.12 is: 64,564.54
Step by Step Solution
- Step 1: Write the proportion equation
80,331.36 : 110,859.12 = 46,785.12 : x - Step 2: Convert to fraction form
80,331.36/110,859.12 = 46,785.12/x - Step 3: Cross multiply
80,331.36x = 110,859.12 × 46,785.12 - Step 4: Simplify right side
80,331.36x = 5,186,557,232.29 - Step 5: Solve for x
x = 5,186,557,232.29/80,331.36 - Step 6: Final answer
x = 64,564.54
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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.