Finding the Fourth Proportional to 86,346.23, 119,157.66 and 48,620.75
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Solution
The fourth proportional to 86,346.23, 119,157.66 and 48,620.75 is: 67,096.55
Step by Step Solution
- Step 1: Write the proportion equation
86,346.23 : 119,157.66 = 48,620.75 : x - Step 2: Convert to fraction form
86,346.23/119,157.66 = 48,620.75/x - Step 3: Cross multiply
86,346.23x = 119,157.66 × 48,620.75 - Step 4: Simplify right side
86,346.23x = 5,793,534,201.66 - Step 5: Solve for x
x = 5,793,534,201.66/86,346.23 - Step 6: Final answer
x = 67,096.55
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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.