Finding the Fourth Proportional to 84,127.60, 126,164.09 and 27,952.62
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Solution
The fourth proportional to 84,127.60, 126,164.09 and 27,952.62 is: 41,919.86
Step by Step Solution
- Step 1: Write the proportion equation
84,127.60 : 126,164.09 = 27,952.62 : x - Step 2: Convert to fraction form
84,127.60/126,164.09 = 27,952.62/x - Step 3: Cross multiply
84,127.60x = 126,164.09 × 27,952.62 - Step 4: Simplify right side
84,127.60x = 3,526,616,795.53 - Step 5: Solve for x
x = 3,526,616,795.53/84,127.60 - Step 6: Final answer
x = 41,919.86
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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.