Finding the Fourth Proportional to 79,682.64, 119,271.15 and 44,515.68
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Solution
The fourth proportional to 79,682.64, 119,271.15 and 44,515.68 is: 66,632.28
Step by Step Solution
- Step 1: Write the proportion equation
79,682.64 : 119,271.15 = 44,515.68 : x - Step 2: Convert to fraction form
79,682.64/119,271.15 = 44,515.68/x - Step 3: Cross multiply
79,682.64x = 119,271.15 × 44,515.68 - Step 4: Simplify right side
79,682.64x = 5,309,436,346.63 - Step 5: Solve for x
x = 5,309,436,346.63/79,682.64 - Step 6: Final answer
x = 66,632.28
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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.