Finding the Fourth Proportional to 73,541.12, 110,293.45 and 20,951.06
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Solution
The fourth proportional to 73,541.12, 110,293.45 and 20,951.06 is: 31,421.39
Step by Step Solution
- Step 1: Write the proportion equation
73,541.12 : 110,293.45 = 20,951.06 : x - Step 2: Convert to fraction form
73,541.12/110,293.45 = 20,951.06/x - Step 3: Cross multiply
73,541.12x = 110,293.45 × 20,951.06 - Step 4: Simplify right side
73,541.12x = 2,310,764,084.71 - Step 5: Solve for x
x = 2,310,764,084.71/73,541.12 - Step 6: Final answer
x = 31,421.39
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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.