Finding the Fourth Proportional to 77,171.13, 115,677.63 and 52,213.68
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Solution
The fourth proportional to 77,171.13, 115,677.63 and 52,213.68 is: 78,267.02
Step by Step Solution
- Step 1: Write the proportion equation
77,171.13 : 115,677.63 = 52,213.68 : x - Step 2: Convert to fraction form
77,171.13/115,677.63 = 52,213.68/x - Step 3: Cross multiply
77,171.13x = 115,677.63 × 52,213.68 - Step 4: Simplify right side
77,171.13x = 6,039,954,755.98 - Step 5: Solve for x
x = 6,039,954,755.98/77,171.13 - Step 6: Final answer
x = 78,267.02
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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.