Finding the Fourth Proportional to 86,452.48, 119,295.68 and 63,803.84
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Solution
The fourth proportional to 86,452.48, 119,295.68 and 63,803.84 is: 88,042.85
Step by Step Solution
- Step 1: Write the proportion equation
86,452.48 : 119,295.68 = 63,803.84 : x - Step 2: Convert to fraction form
86,452.48/119,295.68 = 63,803.84/x - Step 3: Cross multiply
86,452.48x = 119,295.68 × 63,803.84 - Step 4: Simplify right side
86,452.48x = 7,611,522,479.41 - Step 5: Solve for x
x = 7,611,522,479.41/86,452.48 - Step 6: Final answer
x = 88,042.85
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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.