Finding the Fourth Proportional to 76,714.84, 115,023.66 and 32,372.20
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Solution
The fourth proportional to 76,714.84, 115,023.66 and 32,372.20 is: 48,537.79
Step by Step Solution
- Step 1: Write the proportion equation
76,714.84 : 115,023.66 = 32,372.20 : x - Step 2: Convert to fraction form
76,714.84/115,023.66 = 32,372.20/x - Step 3: Cross multiply
76,714.84x = 115,023.66 × 32,372.20 - Step 4: Simplify right side
76,714.84x = 3,723,568,926.25 - Step 5: Solve for x
x = 3,723,568,926.25/76,714.84 - Step 6: Final answer
x = 48,537.79
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1.5x scale
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.