Finding the Fourth Proportional to 75,919.26, 113,839.95 and 44,390.93
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Solution
The fourth proportional to 75,919.26, 113,839.95 and 44,390.93 is: 66,563.62
Step by Step Solution
- Step 1: Write the proportion equation
75,919.26 : 113,839.95 = 44,390.93 : x - Step 2: Convert to fraction form
75,919.26/113,839.95 = 44,390.93/x - Step 3: Cross multiply
75,919.26x = 113,839.95 × 44,390.93 - Step 4: Simplify right side
75,919.26x = 5,053,460,682.45 - Step 5: Solve for x
x = 5,053,460,682.45/75,919.26 - Step 6: Final answer
x = 66,563.62
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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.