Finding the Fourth Proportional to 124,354.44, 171,608.56 and 67,765.80
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Solution
The fourth proportional to 124,354.44, 171,608.56 and 67,765.80 is: 93,516.49
Step by Step Solution
- Step 1: Write the proportion equation
124,354.44 : 171,608.56 = 67,765.80 : x - Step 2: Convert to fraction form
124,354.44/171,608.56 = 67,765.80/x - Step 3: Cross multiply
124,354.44x = 171,608.56 × 67,765.80 - Step 4: Simplify right side
124,354.44x = 11,629,191,355.25 - Step 5: Solve for x
x = 11,629,191,355.25/124,354.44 - Step 6: Final answer
x = 93,516.49
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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.