Finding the Fourth Proportional to 75,448.09, 113,189.64 and 22,137.93
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Solution
The fourth proportional to 75,448.09, 113,189.64 and 22,137.93 is: 33,212.02
Step by Step Solution
- Step 1: Write the proportion equation
75,448.09 : 113,189.64 = 22,137.93 : x - Step 2: Convert to fraction form
75,448.09/113,189.64 = 22,137.93/x - Step 3: Cross multiply
75,448.09x = 113,189.64 × 22,137.93 - Step 4: Simplify right side
75,448.09x = 2,505,783,761.10 - Step 5: Solve for x
x = 2,505,783,761.10/75,448.09 - Step 6: Final answer
x = 33,212.02
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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.