Finding the Fourth Proportional to 73,176.16, 100,879.68 and 51,947.68
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Solution
The fourth proportional to 73,176.16, 100,879.68 and 51,947.68 is: 71,614.38
Step by Step Solution
- Step 1: Write the proportion equation
73,176.16 : 100,879.68 = 51,947.68 : x - Step 2: Convert to fraction form
73,176.16/100,879.68 = 51,947.68/x - Step 3: Cross multiply
73,176.16x = 100,879.68 × 51,947.68 - Step 4: Simplify right side
73,176.16x = 5,240,465,335.14 - Step 5: Solve for x
x = 5,240,465,335.14/73,176.16 - Step 6: Final answer
x = 71,614.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.