Finding the Fourth Proportional to 79,592.41, 109,733.43 and 57,769.09
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Solution
The fourth proportional to 79,592.41, 109,733.43 and 57,769.09 is: 79,645.79
Step by Step Solution
- Step 1: Write the proportion equation
79,592.41 : 109,733.43 = 57,769.09 : x - Step 2: Convert to fraction form
79,592.41/109,733.43 = 57,769.09/x - Step 3: Cross multiply
79,592.41x = 109,733.43 × 57,769.09 - Step 4: Simplify right side
79,592.41x = 6,339,200,393.68 - Step 5: Solve for x
x = 6,339,200,393.68/79,592.41 - Step 6: Final answer
x = 79,645.79
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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.