Finding the Fourth Proportional to 73,516.75, 110,275.14 and 31,963.75
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Solution
The fourth proportional to 73,516.75, 110,275.14 and 31,963.75 is: 47,945.63
Step by Step Solution
- Step 1: Write the proportion equation
73,516.75 : 110,275.14 = 31,963.75 : x - Step 2: Convert to fraction form
73,516.75/110,275.14 = 31,963.75/x - Step 3: Cross multiply
73,516.75x = 110,275.14 × 31,963.75 - Step 4: Simplify right side
73,516.75x = 3,524,807,006.18 - Step 5: Solve for x
x = 3,524,807,006.18/73,516.75 - Step 6: Final answer
x = 47,945.63
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1.5x scale
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.