Finding the Fourth Proportional to 75,448.84, 113,190.77 and 22,138.68
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Solution
The fourth proportional to 75,448.84, 113,190.77 and 22,138.68 is: 33,213.16
Step by Step Solution
- Step 1: Write the proportion equation
75,448.84 : 113,190.77 = 22,138.68 : x - Step 2: Convert to fraction form
75,448.84/113,190.77 = 22,138.68/x - Step 3: Cross multiply
75,448.84x = 113,190.77 × 22,138.68 - Step 4: Simplify right side
75,448.84x = 2,505,894,235.98 - Step 5: Solve for x
x = 2,505,894,235.98/75,448.84 - Step 6: Final answer
x = 33,213.16
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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.