Finding the Fourth Proportional to 79,572.08, 119,361.36 and 32,820.50
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Solution
The fourth proportional to 79,572.08, 119,361.36 and 32,820.50 is: 49,232.09
Step by Step Solution
- Step 1: Write the proportion equation
79,572.08 : 119,361.36 = 32,820.50 : x - Step 2: Convert to fraction form
79,572.08/119,361.36 = 32,820.50/x - Step 3: Cross multiply
79,572.08x = 119,361.36 × 32,820.50 - Step 4: Simplify right side
79,572.08x = 3,917,499,515.88 - Step 5: Solve for x
x = 3,917,499,515.88/79,572.08 - Step 6: Final answer
x = 49,232.09
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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.