Finding the Fourth Proportional to 86,162.67, 118,903.34 and 48,436.92
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Solution
The fourth proportional to 86,162.67, 118,903.34 and 48,436.92 is: 66,842.31
Step by Step Solution
- Step 1: Write the proportion equation
86,162.67 : 118,903.34 = 48,436.92 : x - Step 2: Convert to fraction form
86,162.67/118,903.34 = 48,436.92/x - Step 3: Cross multiply
86,162.67x = 118,903.34 × 48,436.92 - Step 4: Simplify right side
86,162.67x = 5,759,311,688.41 - Step 5: Solve for x
x = 5,759,311,688.41/86,162.67 - Step 6: Final answer
x = 66,842.31
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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.