Finding the Fourth Proportional to 76,765.34, 115,126.13 and 48,642.95
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Solution
The fourth proportional to 76,765.34, 115,126.13 and 48,642.95 is: 72,950.55
Step by Step Solution
- Step 1: Write the proportion equation
76,765.34 : 115,126.13 = 48,642.95 : x - Step 2: Convert to fraction form
76,765.34/115,126.13 = 48,642.95/x - Step 3: Cross multiply
76,765.34x = 115,126.13 × 48,642.95 - Step 4: Simplify right side
76,765.34x = 5,600,073,766.44 - Step 5: Solve for x
x = 5,600,073,766.44/76,765.34 - Step 6: Final answer
x = 72,950.55
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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.