Finding the Fourth Proportional to 72,475.85, 108,724.02 and 22,560.99
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Solution
The fourth proportional to 72,475.85, 108,724.02 and 22,560.99 is: 33,844.67
Step by Step Solution
- Step 1: Write the proportion equation
72,475.85 : 108,724.02 = 22,560.99 : x - Step 2: Convert to fraction form
72,475.85/108,724.02 = 22,560.99/x - Step 3: Cross multiply
72,475.85x = 108,724.02 × 22,560.99 - Step 4: Simplify right side
72,475.85x = 2,452,920,984.36 - Step 5: Solve for x
x = 2,452,920,984.36/72,475.85 - Step 6: Final answer
x = 33,844.67
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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.