Finding the Fourth Proportional to 81,359.02, 122,056.38 and 24,430.42
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Solution
The fourth proportional to 81,359.02, 122,056.38 and 24,430.42 is: 36,650.99
Step by Step Solution
- Step 1: Write the proportion equation
81,359.02 : 122,056.38 = 24,430.42 : x - Step 2: Convert to fraction form
81,359.02/122,056.38 = 24,430.42/x - Step 3: Cross multiply
81,359.02x = 122,056.38 × 24,430.42 - Step 4: Simplify right side
81,359.02x = 2,981,888,627.08 - Step 5: Solve for x
x = 2,981,888,627.08/81,359.02 - Step 6: Final answer
x = 36,650.99
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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.