Finding the Fourth Proportional to 76,692.72, 115,043.94 and 24,104.28
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Solution
The fourth proportional to 76,692.72, 115,043.94 and 24,104.28 is: 36,157.95
Step by Step Solution
- Step 1: Write the proportion equation
76,692.72 : 115,043.94 = 24,104.28 : x - Step 2: Convert to fraction form
76,692.72/115,043.94 = 24,104.28/x - Step 3: Cross multiply
76,692.72x = 115,043.94 × 24,104.28 - Step 4: Simplify right side
76,692.72x = 2,773,051,342.06 - Step 5: Solve for x
x = 2,773,051,342.06/76,692.72 - Step 6: Final answer
x = 36,157.95
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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.