Finding the Fourth Proportional to 75,321.12, 112,984.62 and 22,730.62
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Solution
The fourth proportional to 75,321.12, 112,984.62 and 22,730.62 is: 34,096.82
Step by Step Solution
- Step 1: Write the proportion equation
75,321.12 : 112,984.62 = 22,730.62 : x - Step 2: Convert to fraction form
75,321.12/112,984.62 = 22,730.62/x - Step 3: Cross multiply
75,321.12x = 112,984.62 × 22,730.62 - Step 4: Simplify right side
75,321.12x = 2,568,210,463.06 - Step 5: Solve for x
x = 2,568,210,463.06/75,321.12 - Step 6: Final answer
x = 34,096.82
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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.