Finding the Fourth Proportional to 113,025.70, 169,538.55 and 29,919.70
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Solution
The fourth proportional to 113,025.70, 169,538.55 and 29,919.70 is: 44,879.55
Step by Step Solution
- Step 1: Write the proportion equation
113,025.70 : 169,538.55 = 29,919.70 : x - Step 2: Convert to fraction form
113,025.70/169,538.55 = 29,919.70/x - Step 3: Cross multiply
113,025.70x = 169,538.55 × 29,919.70 - Step 4: Simplify right side
113,025.70x = 5,072,542,554.44 - Step 5: Solve for x
x = 5,072,542,554.44/113,025.70 - Step 6: Final answer
x = 44,879.55
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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.