Finding the Fourth Proportional to 75,375.64, 113,063.34 and 58,748.14
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Solution
The fourth proportional to 75,375.64, 113,063.34 and 58,748.14 is: 88,122.12
Step by Step Solution
- Step 1: Write the proportion equation
75,375.64 : 113,063.34 = 58,748.14 : x - Step 2: Convert to fraction form
75,375.64/113,063.34 = 58,748.14/x - Step 3: Cross multiply
75,375.64x = 113,063.34 × 58,748.14 - Step 4: Simplify right side
75,375.64x = 6,642,260,927.19 - Step 5: Solve for x
x = 6,642,260,927.19/75,375.64 - Step 6: Final answer
x = 88,122.12
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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.