Finding the Fourth Proportional to 86,049.58, 118,735.58 and 48,316.54
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Solution
The fourth proportional to 86,049.58, 118,735.58 and 48,316.54 is: 66,669.62
Step by Step Solution
- Step 1: Write the proportion equation
86,049.58 : 118,735.58 = 48,316.54 : x - Step 2: Convert to fraction form
86,049.58/118,735.58 = 48,316.54/x - Step 3: Cross multiply
86,049.58x = 118,735.58 × 48,316.54 - Step 4: Simplify right side
86,049.58x = 5,736,892,400.49 - Step 5: Solve for x
x = 5,736,892,400.49/86,049.58 - Step 6: Final answer
x = 66,669.62
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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.