Finding the Fourth Proportional to 86,623.48, 119,532.62 and 48,377.70
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Solution
The fourth proportional to 86,623.48, 119,532.62 and 48,377.70 is: 66,756.88
Step by Step Solution
- Step 1: Write the proportion equation
86,623.48 : 119,532.62 = 48,377.70 : x - Step 2: Convert to fraction form
86,623.48/119,532.62 = 48,377.70/x - Step 3: Cross multiply
86,623.48x = 119,532.62 × 48,377.70 - Step 4: Simplify right side
86,623.48x = 5,782,713,230.57 - Step 5: Solve for x
x = 5,782,713,230.57/86,623.48 - Step 6: Final answer
x = 66,756.88
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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.