Finding the Fourth Proportional to 86,605.23, 119,512.88 and 48,363.71
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Solution
The fourth proportional to 86,605.23, 119,512.88 and 48,363.71 is: 66,740.62
Step by Step Solution
- Step 1: Write the proportion equation
86,605.23 : 119,512.88 = 48,363.71 : x - Step 2: Convert to fraction form
86,605.23/119,512.88 = 48,363.71/x - Step 3: Cross multiply
86,605.23x = 119,512.88 × 48,363.71 - Step 4: Simplify right side
86,605.23x = 5,780,086,015.71 - Step 5: Solve for x
x = 5,780,086,015.71/86,605.23 - Step 6: Final answer
x = 66,740.62
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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.