Finding the Fourth Proportional to 68,529.14, 102,717.36 and 28,526.07
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Solution
The fourth proportional to 68,529.14, 102,717.36 and 28,526.07 is: 42,757.33
Step by Step Solution
- Step 1: Write the proportion equation
68,529.14 : 102,717.36 = 28,526.07 : x - Step 2: Convert to fraction form
68,529.14/102,717.36 = 28,526.07/x - Step 3: Cross multiply
68,529.14x = 102,717.36 × 28,526.07 - Step 4: Simplify right side
68,529.14x = 2,930,122,601.58 - Step 5: Solve for x
x = 2,930,122,601.58/68,529.14 - Step 6: Final answer
x = 42,757.33
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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.