Finding the Fourth Proportional to 73,735.68, 101,755.08 and 40,201.68
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Solution
The fourth proportional to 73,735.68, 101,755.08 and 40,201.68 is: 55,478.23
Step by Step Solution
- Step 1: Write the proportion equation
73,735.68 : 101,755.08 = 40,201.68 : x - Step 2: Convert to fraction form
73,735.68/101,755.08 = 40,201.68/x - Step 3: Cross multiply
73,735.68x = 101,755.08 × 40,201.68 - Step 4: Simplify right side
73,735.68x = 4,090,725,164.53 - Step 5: Solve for x
x = 4,090,725,164.53/73,735.68 - Step 6: Final answer
x = 55,478.23
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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.