Finding the Fourth Proportional to 73,119.36, 109,708.48 and 26,375.36
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Solution
The fourth proportional to 73,119.36, 109,708.48 and 26,375.36 is: 39,573.66
Step by Step Solution
- Step 1: Write the proportion equation
73,119.36 : 109,708.48 = 26,375.36 : x - Step 2: Convert to fraction form
73,119.36/109,708.48 = 26,375.36/x - Step 3: Cross multiply
73,119.36x = 109,708.48 × 26,375.36 - Step 4: Simplify right side
73,119.36x = 2,893,600,655.05 - Step 5: Solve for x
x = 2,893,600,655.05/73,119.36 - Step 6: Final answer
x = 39,573.66
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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.