Finding the Fourth Proportional to 86,400.89, 119,218.79 and 48,152.09
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Solution
The fourth proportional to 86,400.89, 119,218.79 and 48,152.09 is: 66,441.84
Step by Step Solution
- Step 1: Write the proportion equation
86,400.89 : 119,218.79 = 48,152.09 : x - Step 2: Convert to fraction form
86,400.89/119,218.79 = 48,152.09/x - Step 3: Cross multiply
86,400.89x = 119,218.79 × 48,152.09 - Step 4: Simplify right side
86,400.89x = 5,740,633,430.06 - Step 5: Solve for x
x = 5,740,633,430.06/86,400.89 - Step 6: Final answer
x = 66,441.84
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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.