Finding the Fourth Proportional to 73,768.12, 101,796.94 and 40,234.12
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Solution
The fourth proportional to 73,768.12, 101,796.94 and 40,234.12 is: 55,521.41
Step by Step Solution
- Step 1: Write the proportion equation
73,768.12 : 101,796.94 = 40,234.12 : x - Step 2: Convert to fraction form
73,768.12/101,796.94 = 40,234.12/x - Step 3: Cross multiply
73,768.12x = 101,796.94 × 40,234.12 - Step 4: Simplify right side
73,768.12x = 4,095,710,299.59 - Step 5: Solve for x
x = 4,095,710,299.59/73,768.12 - Step 6: Final answer
x = 55,521.41
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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.