Finding the Fourth Proportional to 84,046.69, 115,986.18 and 48,233.80
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Solution
The fourth proportional to 84,046.69, 115,986.18 and 48,233.80 is: 66,563.65
Step by Step Solution
- Step 1: Write the proportion equation
84,046.69 : 115,986.18 = 48,233.80 : x - Step 2: Convert to fraction form
84,046.69/115,986.18 = 48,233.80/x - Step 3: Cross multiply
84,046.69x = 115,986.18 × 48,233.80 - Step 4: Simplify right side
84,046.69x = 5,594,454,208.88 - Step 5: Solve for x
x = 5,594,454,208.88/84,046.69 - Step 6: Final answer
x = 66,563.65
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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.