Finding the Fourth Proportional to 116,948.07, 161,351.49 and 71,578.75
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Solution
The fourth proportional to 116,948.07, 161,351.49 and 71,578.75 is: 98,756.12
Step by Step Solution
- Step 1: Write the proportion equation
116,948.07 : 161,351.49 = 71,578.75 : x - Step 2: Convert to fraction form
116,948.07/161,351.49 = 71,578.75/x - Step 3: Cross multiply
116,948.07x = 161,351.49 × 71,578.75 - Step 4: Simplify right side
116,948.07x = 11,549,337,606.94 - Step 5: Solve for x
x = 11,549,337,606.94/116,948.07 - Step 6: Final answer
x = 98,756.12
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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.