Finding the Fourth Proportional to 79,355.30, 119,052.86 and 36,640.08
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Solution
The fourth proportional to 79,355.30, 119,052.86 and 36,640.08 is: 54,969.31
Step by Step Solution
- Step 1: Write the proportion equation
79,355.30 : 119,052.86 = 36,640.08 : x - Step 2: Convert to fraction form
79,355.30/119,052.86 = 36,640.08/x - Step 3: Cross multiply
79,355.30x = 119,052.86 × 36,640.08 - Step 4: Simplify right side
79,355.30x = 4,362,106,131.43 - Step 5: Solve for x
x = 4,362,106,131.43/79,355.30 - Step 6: Final answer
x = 54,969.31
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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.