Finding the Fourth Proportional to 75,818.60, 113,555.10 and 44,714.60
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Solution
The fourth proportional to 75,818.60, 113,555.10 and 44,714.60 is: 66,969.99
Step by Step Solution
- Step 1: Write the proportion equation
75,818.60 : 113,555.10 = 44,714.60 : x - Step 2: Convert to fraction form
75,818.60/113,555.10 = 44,714.60/x - Step 3: Cross multiply
75,818.60x = 113,555.10 × 44,714.60 - Step 4: Simplify right side
75,818.60x = 5,077,570,874.46 - Step 5: Solve for x
x = 5,077,570,874.46/75,818.60 - Step 6: Final answer
x = 66,969.99
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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.