Finding the Fourth Proportional to 83,344.36, 125,014.38 and 27,188.68
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Solution
The fourth proportional to 83,344.36, 125,014.38 and 27,188.68 is: 40,782.32
Step by Step Solution
- Step 1: Write the proportion equation
83,344.36 : 125,014.38 = 27,188.68 : x - Step 2: Convert to fraction form
83,344.36/125,014.38 = 27,188.68/x - Step 3: Cross multiply
83,344.36x = 125,014.38 × 27,188.68 - Step 4: Simplify right side
83,344.36x = 3,398,975,973.22 - Step 5: Solve for x
x = 3,398,975,973.22/83,344.36 - Step 6: Final answer
x = 40,782.32
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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.