Finding the Fourth Proportional to 113,039.08, 169,558.70 and 39,167.08
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Solution
The fourth proportional to 113,039.08, 169,558.70 and 39,167.08 is: 58,750.65
Step by Step Solution
- Step 1: Write the proportion equation
113,039.08 : 169,558.70 = 39,167.08 : x - Step 2: Convert to fraction form
113,039.08/169,558.70 = 39,167.08/x - Step 3: Cross multiply
113,039.08x = 169,558.70 × 39,167.08 - Step 4: Simplify right side
113,039.08x = 6,641,119,167.60 - Step 5: Solve for x
x = 6,641,119,167.60/113,039.08 - Step 6: Final answer
x = 58,750.65
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1.5x scale
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.