Finding the Fourth Proportional to 77,095.79, 115,660.68 and 32,760.44
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Solution
The fourth proportional to 77,095.79, 115,660.68 and 32,760.44 is: 49,147.88
Step by Step Solution
- Step 1: Write the proportion equation
77,095.79 : 115,660.68 = 32,760.44 : x - Step 2: Convert to fraction form
77,095.79/115,660.68 = 32,760.44/x - Step 3: Cross multiply
77,095.79x = 115,660.68 × 32,760.44 - Step 4: Simplify right side
77,095.79x = 3,789,094,189.20 - Step 5: Solve for x
x = 3,789,094,189.20/77,095.79 - Step 6: Final answer
x = 49,147.88
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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.