Finding the Fourth Proportional to 79,260.66, 109,349.35 and 50,581.42
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Solution
The fourth proportional to 79,260.66, 109,349.35 and 50,581.42 is: 69,782.98
Step by Step Solution
- Step 1: Write the proportion equation
79,260.66 : 109,349.35 = 50,581.42 : x - Step 2: Convert to fraction form
79,260.66/109,349.35 = 50,581.42/x - Step 3: Cross multiply
79,260.66x = 109,349.35 × 50,581.42 - Step 4: Simplify right side
79,260.66x = 5,531,044,999.25 - Step 5: Solve for x
x = 5,531,044,999.25/79,260.66 - Step 6: Final answer
x = 69,782.98
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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.