Finding the Fourth Proportional to 84,493.69, 116,606.90 and 48,685.99
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Solution
The fourth proportional to 84,493.69, 116,606.90 and 48,685.99 is: 67,189.90
Step by Step Solution
- Step 1: Write the proportion equation
84,493.69 : 116,606.90 = 48,685.99 : x - Step 2: Convert to fraction form
84,493.69/116,606.90 = 48,685.99/x - Step 3: Cross multiply
84,493.69x = 116,606.90 × 48,685.99 - Step 4: Simplify right side
84,493.69x = 5,677,122,367.33 - Step 5: Solve for x
x = 5,677,122,367.33/84,493.69 - Step 6: Final answer
x = 67,189.90
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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.