Finding the Fourth Proportional to 79,791.91, 119,728.26 and 53,156.07
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Solution
The fourth proportional to 79,791.91, 119,728.26 and 53,156.07 is: 79,761.02
Step by Step Solution
- Step 1: Write the proportion equation
79,791.91 : 119,728.26 = 53,156.07 : x - Step 2: Convert to fraction form
79,791.91/119,728.26 = 53,156.07/x - Step 3: Cross multiply
79,791.91x = 119,728.26 × 53,156.07 - Step 4: Simplify right side
79,791.91x = 6,364,283,769.54 - Step 5: Solve for x
x = 6,364,283,769.54/79,791.91 - Step 6: Final answer
x = 79,761.02
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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.