Finding the Fourth Proportional to 57,905.41, 86,660.88 and 48,556
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Solution
The fourth proportional to 57,905.41, 86,660.88 and 48,556 is: 72,668.61
Step by Step Solution
- Step 1: Write the proportion equation
57,905.41 : 86,660.88 = 48,556 : x - Step 2: Convert to fraction form
57,905.41/86,660.88 = 48,556/x - Step 3: Cross multiply
57,905.41x = 86,660.88 × 48,556 - Step 4: Simplify right side
57,905.41x = 4,207,905,689.28 - Step 5: Solve for x
x = 4,207,905,689.28/57,905.41 - Step 6: Final answer
x = 72,668.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.