Finding the Fourth Proportional to 79,634.90, 119,346.18 and 29,664.68
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Solution
The fourth proportional to 79,634.90, 119,346.18 and 29,664.68 is: 44,457.48
Step by Step Solution
- Step 1: Write the proportion equation
79,634.90 : 119,346.18 = 29,664.68 : x - Step 2: Convert to fraction form
79,634.90/119,346.18 = 29,664.68/x - Step 3: Cross multiply
79,634.90x = 119,346.18 × 29,664.68 - Step 4: Simplify right side
79,634.90x = 3,540,366,452.57 - Step 5: Solve for x
x = 3,540,366,452.57/79,634.90 - Step 6: Final answer
x = 44,457.48
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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.