Finding the Fourth Proportional to 83,481.42, 115,230.52 and 53,266.68
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Solution
The fourth proportional to 83,481.42, 115,230.52 and 53,266.68 is: 73,524.71
Step by Step Solution
- Step 1: Write the proportion equation
83,481.42 : 115,230.52 = 53,266.68 : x - Step 2: Convert to fraction form
83,481.42/115,230.52 = 53,266.68/x - Step 3: Cross multiply
83,481.42x = 115,230.52 × 53,266.68 - Step 4: Simplify right side
83,481.42x = 6,137,947,002.03 - Step 5: Solve for x
x = 6,137,947,002.03/83,481.42 - Step 6: Final answer
x = 73,524.71
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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.