Finding the Fourth Proportional to 83,575.68, 115,336.24 and 45,849.92
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Solution
The fourth proportional to 83,575.68, 115,336.24 and 45,849.92 is: 63,273.88
Step by Step Solution
- Step 1: Write the proportion equation
83,575.68 : 115,336.24 = 45,849.92 : x - Step 2: Convert to fraction form
83,575.68/115,336.24 = 45,849.92/x - Step 3: Cross multiply
83,575.68x = 115,336.24 × 45,849.92 - Step 4: Simplify right side
83,575.68x = 5,288,157,377.10 - Step 5: Solve for x
x = 5,288,157,377.10/83,575.68 - Step 6: Final answer
x = 63,273.88
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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.