Finding the Fourth Proportional to 84,348.72, 116,397.99 and 48,550.23
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Solution
The fourth proportional to 84,348.72, 116,397.99 and 48,550.23 is: 66,997.45
Step by Step Solution
- Step 1: Write the proportion equation
84,348.72 : 116,397.99 = 48,550.23 : x - Step 2: Convert to fraction form
84,348.72/116,397.99 = 48,550.23/x - Step 3: Cross multiply
84,348.72x = 116,397.99 × 48,550.23 - Step 4: Simplify right side
84,348.72x = 5,651,149,186.04 - Step 5: Solve for x
x = 5,651,149,186.04/84,348.72 - Step 6: Final answer
x = 66,997.45
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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.