Finding the Fourth Proportional to 73,720.68, 101,734.50 and 41,889.60
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Solution
The fourth proportional to 73,720.68, 101,734.50 and 41,889.60 is: 57,807.63
Step by Step Solution
- Step 1: Write the proportion equation
73,720.68 : 101,734.50 = 41,889.60 : x - Step 2: Convert to fraction form
73,720.68/101,734.50 = 41,889.60/x - Step 3: Cross multiply
73,720.68x = 101,734.50 × 41,889.60 - Step 4: Simplify right side
73,720.68x = 4,261,617,511.20 - Step 5: Solve for x
x = 4,261,617,511.20/73,720.68 - Step 6: Final answer
x = 57,807.63
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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.