Finding the Fourth Proportional to 103,693.67, 155,565.20 and 33,572.99
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Solution
The fourth proportional to 103,693.67, 155,565.20 and 33,572.99 is: 50,367.48
Step by Step Solution
- Step 1: Write the proportion equation
103,693.67 : 155,565.20 = 33,572.99 : x - Step 2: Convert to fraction form
103,693.67/155,565.20 = 33,572.99/x - Step 3: Cross multiply
103,693.67x = 155,565.20 × 33,572.99 - Step 4: Simplify right side
103,693.67x = 5,222,788,903.95 - Step 5: Solve for x
x = 5,222,788,903.95/103,693.67 - Step 6: Final answer
x = 50,367.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.