Finding the Fourth Proportional to 79,414.99, 109,584.62 and 47,583.07
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Solution
The fourth proportional to 79,414.99, 109,584.62 and 47,583.07 is: 65,659.80
Step by Step Solution
- Step 1: Write the proportion equation
79,414.99 : 109,584.62 = 47,583.07 : x - Step 2: Convert to fraction form
79,414.99/109,584.62 = 47,583.07/x - Step 3: Cross multiply
79,414.99x = 109,584.62 × 47,583.07 - Step 4: Simplify right side
79,414.99x = 5,214,372,406.47 - Step 5: Solve for x
x = 5,214,372,406.47/79,414.99 - Step 6: Final answer
x = 65,659.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.