Finding the Fourth Proportional to 75,621.98, 113,406.53 and 22,299.80
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Solution
The fourth proportional to 75,621.98, 113,406.53 and 22,299.80 is: 33,441.90
Step by Step Solution
- Step 1: Write the proportion equation
75,621.98 : 113,406.53 = 22,299.80 : x - Step 2: Convert to fraction form
75,621.98/113,406.53 = 22,299.80/x - Step 3: Cross multiply
75,621.98x = 113,406.53 × 22,299.80 - Step 4: Simplify right side
75,621.98x = 2,528,942,937.69 - Step 5: Solve for x
x = 2,528,942,937.69/75,621.98 - Step 6: Final answer
x = 33,441.90
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1.5x scale
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.