Finding the Fourth Proportional to 88,997.36, 122,811.36 and 48,711.04
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Solution
The fourth proportional to 88,997.36, 122,811.36 and 48,711.04 is: 67,218.50
Step by Step Solution
- Step 1: Write the proportion equation
88,997.36 : 122,811.36 = 48,711.04 : x - Step 2: Convert to fraction form
88,997.36/122,811.36 = 48,711.04/x - Step 3: Cross multiply
88,997.36x = 122,811.36 × 48,711.04 - Step 4: Simplify right side
88,997.36x = 5,982,269,069.41 - Step 5: Solve for x
x = 5,982,269,069.41/88,997.36 - Step 6: Final answer
x = 67,218.50
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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.