Finding the Fourth Proportional to 83,968.23, 115,874.78 and 46,245.99
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Solution
The fourth proportional to 83,968.23, 115,874.78 and 46,245.99 is: 63,818.70
Step by Step Solution
- Step 1: Write the proportion equation
83,968.23 : 115,874.78 = 46,245.99 : x - Step 2: Convert to fraction form
83,968.23/115,874.78 = 46,245.99/x - Step 3: Cross multiply
83,968.23x = 115,874.78 × 46,245.99 - Step 4: Simplify right side
83,968.23x = 5,358,743,685.90 - Step 5: Solve for x
x = 5,358,743,685.90/83,968.23 - Step 6: Final answer
x = 63,818.70
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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.