Finding the Fourth Proportional to 95,493.38, 131,690.53 and 62,729.95
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Solution
The fourth proportional to 95,493.38, 131,690.53 and 62,729.95 is: 86,507.99
Step by Step Solution
- Step 1: Write the proportion equation
95,493.38 : 131,690.53 = 62,729.95 : x - Step 2: Convert to fraction form
95,493.38/131,690.53 = 62,729.95/x - Step 3: Cross multiply
95,493.38x = 131,690.53 × 62,729.95 - Step 4: Simplify right side
95,493.38x = 8,260,939,694.83 - Step 5: Solve for x
x = 8,260,939,694.83/95,493.38 - Step 6: Final answer
x = 86,507.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.