Finding the Fourth Proportional to 84,505.33, 116,618.93 and 48,689.29
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Solution
The fourth proportional to 84,505.33, 116,618.93 and 48,689.29 is: 67,192.12
Step by Step Solution
- Step 1: Write the proportion equation
84,505.33 : 116,618.93 = 48,689.29 : x - Step 2: Convert to fraction form
84,505.33/116,618.93 = 48,689.29/x - Step 3: Cross multiply
84,505.33x = 116,618.93 × 48,689.29 - Step 4: Simplify right side
84,505.33x = 5,678,092,658.81 - Step 5: Solve for x
x = 5,678,092,658.81/84,505.33 - Step 6: Final answer
x = 67,192.12
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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.