Finding the Fourth Proportional to 75,582.12, 113,370.66 and 40,590.12
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Solution
The fourth proportional to 75,582.12, 113,370.66 and 40,590.12 is: 60,883.83
Step by Step Solution
- Step 1: Write the proportion equation
75,582.12 : 113,370.66 = 40,590.12 : x - Step 2: Convert to fraction form
75,582.12/113,370.66 = 40,590.12/x - Step 3: Cross multiply
75,582.12x = 113,370.66 × 40,590.12 - Step 4: Simplify right side
75,582.12x = 4,601,728,693.88 - Step 5: Solve for x
x = 4,601,728,693.88/75,582.12 - Step 6: Final answer
x = 60,883.83
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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.