Finding the Fourth Proportional to 73,952.76, 102,088.62 and 47,131.96
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Solution
The fourth proportional to 73,952.76, 102,088.62 and 47,131.96 is: 65,063.65
Step by Step Solution
- Step 1: Write the proportion equation
73,952.76 : 102,088.62 = 47,131.96 : x - Step 2: Convert to fraction form
73,952.76/102,088.62 = 47,131.96/x - Step 3: Cross multiply
73,952.76x = 102,088.62 × 47,131.96 - Step 4: Simplify right side
73,952.76x = 4,811,636,754.30 - Step 5: Solve for x
x = 4,811,636,754.30/73,952.76 - Step 6: Final answer
x = 65,063.65
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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.