Finding the Fourth Proportional to 83,449.62, 125,108.64 and 41,299.92
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Solution
The fourth proportional to 83,449.62, 125,108.64 and 41,299.92 is: 61,917.32
Step by Step Solution
- Step 1: Write the proportion equation
83,449.62 : 125,108.64 = 41,299.92 : x - Step 2: Convert to fraction form
83,449.62/125,108.64 = 41,299.92/x - Step 3: Cross multiply
83,449.62x = 125,108.64 × 41,299.92 - Step 4: Simplify right side
83,449.62x = 5,166,976,823.31 - Step 5: Solve for x
x = 5,166,976,823.31/83,449.62 - Step 6: Final answer
x = 61,917.32
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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.