Finding the Fourth Proportional to 107,813.60, 161,795.43 and 44,634.05
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Solution
The fourth proportional to 107,813.60, 161,795.43 and 44,634.05 is: 66,982.14
Step by Step Solution
- Step 1: Write the proportion equation
107,813.60 : 161,795.43 = 44,634.05 : x - Step 2: Convert to fraction form
107,813.60/161,795.43 = 44,634.05/x - Step 3: Cross multiply
107,813.60x = 161,795.43 × 44,634.05 - Step 4: Simplify right side
107,813.60x = 7,221,585,002.05 - Step 5: Solve for x
x = 7,221,585,002.05/107,813.60 - Step 6: Final answer
x = 66,982.14
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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.