Finding the Fourth Proportional to 86,249.02, 119,023.64 and 48,007.75
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Solution
The fourth proportional to 86,249.02, 119,023.64 and 48,007.75 is: 66,250.69
Step by Step Solution
- Step 1: Write the proportion equation
86,249.02 : 119,023.64 = 48,007.75 : x - Step 2: Convert to fraction form
86,249.02/119,023.64 = 48,007.75/x - Step 3: Cross multiply
86,249.02x = 119,023.64 × 48,007.75 - Step 4: Simplify right side
86,249.02x = 5,714,057,153.21 - Step 5: Solve for x
x = 5,714,057,153.21/86,249.02 - Step 6: Final answer
x = 66,250.69
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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.