Finding the Fourth Proportional to 106,534.65, 159,760.44 and 39,938.44
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Solution
The fourth proportional to 106,534.65, 159,760.44 and 39,938.44 is: 59,892.09
Step by Step Solution
- Step 1: Write the proportion equation
106,534.65 : 159,760.44 = 39,938.44 : x - Step 2: Convert to fraction form
106,534.65/159,760.44 = 39,938.44/x - Step 3: Cross multiply
106,534.65x = 159,760.44 × 39,938.44 - Step 4: Simplify right side
106,534.65x = 6,380,582,747.31 - Step 5: Solve for x
x = 6,380,582,747.31/106,534.65 - Step 6: Final answer
x = 59,892.09
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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.