Finding the Fourth Proportional to 79,549.24, 109,780.77 and 43,741.99
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Solution
The fourth proportional to 79,549.24, 109,780.77 and 43,741.99 is: 60,365.50
Step by Step Solution
- Step 1: Write the proportion equation
79,549.24 : 109,780.77 = 43,741.99 : x - Step 2: Convert to fraction form
79,549.24/109,780.77 = 43,741.99/x - Step 3: Cross multiply
79,549.24x = 109,780.77 × 43,741.99 - Step 4: Simplify right side
79,549.24x = 4,802,029,343.53 - Step 5: Solve for x
x = 4,802,029,343.53/79,549.24 - Step 6: Final answer
x = 60,365.50
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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.