Finding the Fourth Proportional to 142,035.12, 213,052.68 and 48,541.68
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Solution
The fourth proportional to 142,035.12, 213,052.68 and 48,541.68 is: 72,812.52
Step by Step Solution
- Step 1: Write the proportion equation
142,035.12 : 213,052.68 = 48,541.68 : x - Step 2: Convert to fraction form
142,035.12/213,052.68 = 48,541.68/x - Step 3: Cross multiply
142,035.12x = 213,052.68 × 48,541.68 - Step 4: Simplify right side
142,035.12x = 10,341,935,015.70 - Step 5: Solve for x
x = 10,341,935,015.70/142,035.12 - Step 6: Final answer
x = 72,812.52
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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.