Finding the Fourth Proportional to 75,977.35, 113,930.26 and 44,396.53
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Solution
The fourth proportional to 75,977.35, 113,930.26 and 44,396.53 is: 66,573.89
Step by Step Solution
- Step 1: Write the proportion equation
75,977.35 : 113,930.26 = 44,396.53 : x - Step 2: Convert to fraction form
75,977.35/113,930.26 = 44,396.53/x - Step 3: Cross multiply
75,977.35x = 113,930.26 × 44,396.53 - Step 4: Simplify right side
75,977.35x = 5,058,107,692.09 - Step 5: Solve for x
x = 5,058,107,692.09/75,977.35 - Step 6: Final answer
x = 66,573.89
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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.