Finding the Fourth Proportional to 76,450.08, 114,615.03 and 48,310.95
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Solution
The fourth proportional to 76,450.08, 114,615.03 and 48,310.95 is: 72,428.45
Step by Step Solution
- Step 1: Write the proportion equation
76,450.08 : 114,615.03 = 48,310.95 : x - Step 2: Convert to fraction form
76,450.08/114,615.03 = 48,310.95/x - Step 3: Cross multiply
76,450.08x = 114,615.03 × 48,310.95 - Step 4: Simplify right side
76,450.08x = 5,537,160,983.58 - Step 5: Solve for x
x = 5,537,160,983.58/76,450.08 - Step 6: Final answer
x = 72,428.45
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1.5x scale
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.