Finding the Fourth Proportional to 86,607.68, 119,517.34 and 48,366.82
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Solution
The fourth proportional to 86,607.68, 119,517.34 and 48,366.82 is: 66,745.51
Step by Step Solution
- Step 1: Write the proportion equation
86,607.68 : 119,517.34 = 48,366.82 : x - Step 2: Convert to fraction form
86,607.68/119,517.34 = 48,366.82/x - Step 3: Cross multiply
86,607.68x = 119,517.34 × 48,366.82 - Step 4: Simplify right side
86,607.68x = 5,780,673,727.62 - Step 5: Solve for x
x = 5,780,673,727.62/86,607.68 - Step 6: Final answer
x = 66,745.51
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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.