Finding the Fourth Proportional to 79,905.62, 119,827.12 and 29,958.49
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Solution
The fourth proportional to 79,905.62, 119,827.12 and 29,958.49 is: 44,926.00
Step by Step Solution
- Step 1: Write the proportion equation
79,905.62 : 119,827.12 = 29,958.49 : x - Step 2: Convert to fraction form
79,905.62/119,827.12 = 29,958.49/x - Step 3: Cross multiply
79,905.62x = 119,827.12 × 29,958.49 - Step 4: Simplify right side
79,905.62x = 3,589,839,576.25 - Step 5: Solve for x
x = 3,589,839,576.25/79,905.62 - Step 6: Final answer
x = 44,926.00
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1.5x scale
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.