Finding the Fourth Proportional to 76,618.36, 114,927.68 and 24,031.92
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Solution
The fourth proportional to 76,618.36, 114,927.68 and 24,031.92 is: 36,047.92
Step by Step Solution
- Step 1: Write the proportion equation
76,618.36 : 114,927.68 = 24,031.92 : x - Step 2: Convert to fraction form
76,618.36/114,927.68 = 24,031.92/x - Step 3: Cross multiply
76,618.36x = 114,927.68 × 24,031.92 - Step 4: Simplify right side
76,618.36x = 2,761,932,811.55 - Step 5: Solve for x
x = 2,761,932,811.55/76,618.36 - Step 6: Final answer
x = 36,047.92
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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.