Finding the Fourth Proportional to 79,619.91, 119,425.93 and 29,696.12
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Solution
The fourth proportional to 79,619.91, 119,425.93 and 29,696.12 is: 44,542.71
Step by Step Solution
- Step 1: Write the proportion equation
79,619.91 : 119,425.93 = 29,696.12 : x - Step 2: Convert to fraction form
79,619.91/119,425.93 = 29,696.12/x - Step 3: Cross multiply
79,619.91x = 119,425.93 × 29,696.12 - Step 4: Simplify right side
79,619.91x = 3,546,486,650.15 - Step 5: Solve for x
x = 3,546,486,650.15/79,619.91 - Step 6: Final answer
x = 44,542.71
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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.