Finding the Fourth Proportional to 68,577.44, 102,748.80 and 37,434.56
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Solution
The fourth proportional to 68,577.44, 102,748.80 and 37,434.56 is: 56,087.78
Step by Step Solution
- Step 1: Write the proportion equation
68,577.44 : 102,748.80 = 37,434.56 : x - Step 2: Convert to fraction form
68,577.44/102,748.80 = 37,434.56/x - Step 3: Cross multiply
68,577.44x = 102,748.80 × 37,434.56 - Step 4: Simplify right side
68,577.44x = 3,846,356,118.53 - Step 5: Solve for x
x = 3,846,356,118.53/68,577.44 - Step 6: Final answer
x = 56,087.78
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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.