Finding the Fourth Proportional to 86,027.42, 118,716.08 and 48,301.68
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Solution
The fourth proportional to 86,027.42, 118,716.08 and 48,301.68 is: 66,655.33
Step by Step Solution
- Step 1: Write the proportion equation
86,027.42 : 118,716.08 = 48,301.68 : x - Step 2: Convert to fraction form
86,027.42/118,716.08 = 48,301.68/x - Step 3: Cross multiply
86,027.42x = 118,716.08 × 48,301.68 - Step 4: Simplify right side
86,027.42x = 5,734,186,107.01 - Step 5: Solve for x
x = 5,734,186,107.01/86,027.42 - Step 6: Final answer
x = 66,655.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.