Finding the Fourth Proportional to 79,777.64, 119,642.46 and 27,175.08
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Solution
The fourth proportional to 79,777.64, 119,642.46 and 27,175.08 is: 40,754.44
Step by Step Solution
- Step 1: Write the proportion equation
79,777.64 : 119,642.46 = 27,175.08 : x - Step 2: Convert to fraction form
79,777.64/119,642.46 = 27,175.08/x - Step 3: Cross multiply
79,777.64x = 119,642.46 × 27,175.08 - Step 4: Simplify right side
79,777.64x = 3,251,293,421.90 - Step 5: Solve for x
x = 3,251,293,421.90/79,777.64 - Step 6: Final answer
x = 40,754.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.