Finding the Fourth Proportional to 72,796.58, 109,205.90 and 22,871.99
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Solution
The fourth proportional to 72,796.58, 109,205.90 and 22,871.99 is: 34,311.45
Step by Step Solution
- Step 1: Write the proportion equation
72,796.58 : 109,205.90 = 22,871.99 : x - Step 2: Convert to fraction form
72,796.58/109,205.90 = 22,871.99/x - Step 3: Cross multiply
72,796.58x = 109,205.90 × 22,871.99 - Step 4: Simplify right side
72,796.58x = 2,497,756,252.74 - Step 5: Solve for x
x = 2,497,756,252.74/72,796.58 - Step 6: Final answer
x = 34,311.45
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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.