Finding the Fourth Proportional to 79,631.96, 119,323.97 and 29,698.63
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Solution
The fourth proportional to 79,631.96, 119,323.97 and 29,698.63 is: 44,501.70
Step by Step Solution
- Step 1: Write the proportion equation
79,631.96 : 119,323.97 = 29,698.63 : x - Step 2: Convert to fraction form
79,631.96/119,323.97 = 29,698.63/x - Step 3: Cross multiply
79,631.96x = 119,323.97 × 29,698.63 - Step 4: Simplify right side
79,631.96x = 3,543,757,690.05 - Step 5: Solve for x
x = 3,543,757,690.05/79,631.96 - Step 6: Final answer
x = 44,501.70
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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.