Finding the Fourth Proportional to 86,027.13, 118,739.97 and 48,313.53
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Solution
The fourth proportional to 86,027.13, 118,739.97 and 48,313.53 is: 66,685.32
Step by Step Solution
- Step 1: Write the proportion equation
86,027.13 : 118,739.97 = 48,313.53 : x - Step 2: Convert to fraction form
86,027.13/118,739.97 = 48,313.53/x - Step 3: Cross multiply
86,027.13x = 118,739.97 × 48,313.53 - Step 4: Simplify right side
86,027.13x = 5,736,747,102.79 - Step 5: Solve for x
x = 5,736,747,102.79/86,027.13 - Step 6: Final answer
x = 66,685.32
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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.