Finding the Fourth Proportional to 79,764.75, 110,008.26 and 47,927.50
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Solution
The fourth proportional to 79,764.75, 110,008.26 and 47,927.50 is: 66,099.63
Step by Step Solution
- Step 1: Write the proportion equation
79,764.75 : 110,008.26 = 47,927.50 : x - Step 2: Convert to fraction form
79,764.75/110,008.26 = 47,927.50/x - Step 3: Cross multiply
79,764.75x = 110,008.26 × 47,927.50 - Step 4: Simplify right side
79,764.75x = 5,272,420,606.13 - Step 5: Solve for x
x = 5,272,420,606.13/79,764.75 - Step 6: Final answer
x = 66,099.63
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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.