Finding the Fourth Proportional to 73,876.40, 110,825.53 and 27,125.63
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Solution
The fourth proportional to 73,876.40, 110,825.53 and 27,125.63 is: 40,692.45
Step by Step Solution
- Step 1: Write the proportion equation
73,876.40 : 110,825.53 = 27,125.63 : x - Step 2: Convert to fraction form
73,876.40/110,825.53 = 27,125.63/x - Step 3: Cross multiply
73,876.40x = 110,825.53 × 27,125.63 - Step 4: Simplify right side
73,876.40x = 3,006,211,699.39 - Step 5: Solve for x
x = 3,006,211,699.39/73,876.40 - Step 6: Final answer
x = 40,692.45
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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.