Finding the Fourth Proportional to 83,867.46, 125,805.42 and 27,712.62
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Solution
The fourth proportional to 83,867.46, 125,805.42 and 27,712.62 is: 41,570.33
Step by Step Solution
- Step 1: Write the proportion equation
83,867.46 : 125,805.42 = 27,712.62 : x - Step 2: Convert to fraction form
83,867.46/125,805.42 = 27,712.62/x - Step 3: Cross multiply
83,867.46x = 125,805.42 × 27,712.62 - Step 4: Simplify right side
83,867.46x = 3,486,397,798.40 - Step 5: Solve for x
x = 3,486,397,798.40/83,867.46 - Step 6: Final answer
x = 41,570.33
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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.