Finding the Fourth Proportional to 68,914.99, 103,306.87 and 22,135.07
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Solution
The fourth proportional to 68,914.99, 103,306.87 and 22,135.07 is: 33,181.52
Step by Step Solution
- Step 1: Write the proportion equation
68,914.99 : 103,306.87 = 22,135.07 : x - Step 2: Convert to fraction form
68,914.99/103,306.87 = 22,135.07/x - Step 3: Cross multiply
68,914.99x = 103,306.87 × 22,135.07 - Step 4: Simplify right side
68,914.99x = 2,286,704,227.06 - Step 5: Solve for x
x = 2,286,704,227.06/68,914.99 - Step 6: Final answer
x = 33,181.52
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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.