Finding the Fourth Proportional to 76,874.04, 115,327.44 and 24,287.76
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Solution
The fourth proportional to 76,874.04, 115,327.44 and 24,287.76 is: 36,436.82
Step by Step Solution
- Step 1: Write the proportion equation
76,874.04 : 115,327.44 = 24,287.76 : x - Step 2: Convert to fraction form
76,874.04/115,327.44 = 24,287.76/x - Step 3: Cross multiply
76,874.04x = 115,327.44 × 24,287.76 - Step 4: Simplify right side
76,874.04x = 2,801,045,184.13 - Step 5: Solve for x
x = 2,801,045,184.13/76,874.04 - Step 6: Final answer
x = 36,436.82
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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.