Finding the Fourth Proportional to 76,241.76, 114,334.56 and 26,309.12
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Solution
The fourth proportional to 76,241.76, 114,334.56 and 26,309.12 is: 39,453.99
Step by Step Solution
- Step 1: Write the proportion equation
76,241.76 : 114,334.56 = 26,309.12 : x - Step 2: Convert to fraction form
76,241.76/114,334.56 = 26,309.12/x - Step 3: Cross multiply
76,241.76x = 114,334.56 × 26,309.12 - Step 4: Simplify right side
76,241.76x = 3,008,041,659.19 - Step 5: Solve for x
x = 3,008,041,659.19/76,241.76 - Step 6: Final answer
x = 39,453.99
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1.5x scale
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.