Finding the Fourth Proportional to 73,745.41, 101,768.65 and 40,211.41
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Solution
The fourth proportional to 73,745.41, 101,768.65 and 40,211.41 is: 55,491.74
Step by Step Solution
- Step 1: Write the proportion equation
73,745.41 : 101,768.65 = 40,211.41 : x - Step 2: Convert to fraction form
73,745.41/101,768.65 = 40,211.41/x - Step 3: Cross multiply
73,745.41x = 101,768.65 × 40,211.41 - Step 4: Simplify right side
73,745.41x = 4,092,260,910.30 - Step 5: Solve for x
x = 4,092,260,910.30/73,745.41 - Step 6: Final answer
x = 55,491.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.