Finding the Fourth Proportional to 125,991.01, 173,869.68 and 69,402.43
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Solution
The fourth proportional to 125,991.01, 173,869.68 and 69,402.43 is: 95,776.50
Step by Step Solution
- Step 1: Write the proportion equation
125,991.01 : 173,869.68 = 69,402.43 : x - Step 2: Convert to fraction form
125,991.01/173,869.68 = 69,402.43/x - Step 3: Cross multiply
125,991.01x = 173,869.68 × 69,402.43 - Step 4: Simplify right side
125,991.01x = 12,066,978,295.32 - Step 5: Solve for x
x = 12,066,978,295.32/125,991.01 - Step 6: Final answer
x = 95,776.50
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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.