Finding the Fourth Proportional to 79,939.49, 110,316.51 and 44,129.52
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Solution
The fourth proportional to 79,939.49, 110,316.51 and 44,129.52 is: 60,898.75
Step by Step Solution
- Step 1: Write the proportion equation
79,939.49 : 110,316.51 = 44,129.52 : x - Step 2: Convert to fraction form
79,939.49/110,316.51 = 44,129.52/x - Step 3: Cross multiply
79,939.49x = 110,316.51 × 44,129.52 - Step 4: Simplify right side
79,939.49x = 4,868,214,634.38 - Step 5: Solve for x
x = 4,868,214,634.38/79,939.49 - Step 6: Final answer
x = 60,898.75
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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.