Finding the Fourth Proportional to 83,439.14, 125,166.38 and 27,279.54
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Solution
The fourth proportional to 83,439.14, 125,166.38 and 27,279.54 is: 40,921.82
Step by Step Solution
- Step 1: Write the proportion equation
83,439.14 : 125,166.38 = 27,279.54 : x - Step 2: Convert to fraction form
83,439.14/125,166.38 = 27,279.54/x - Step 3: Cross multiply
83,439.14x = 125,166.38 × 27,279.54 - Step 4: Simplify right side
83,439.14x = 3,414,481,133.47 - Step 5: Solve for x
x = 3,414,481,133.47/83,439.14 - Step 6: Final answer
x = 40,921.82
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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.