Finding the Fourth Proportional to 73,923.23, 102,015.05 and 42,092.26
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Solution
The fourth proportional to 73,923.23, 102,015.05 and 42,092.26 is: 58,087.88
Step by Step Solution
- Step 1: Write the proportion equation
73,923.23 : 102,015.05 = 42,092.26 : x - Step 2: Convert to fraction form
73,923.23/102,015.05 = 42,092.26/x - Step 3: Cross multiply
73,923.23x = 102,015.05 × 42,092.26 - Step 4: Simplify right side
73,923.23x = 4,294,043,543.01 - Step 5: Solve for x
x = 4,294,043,543.01/73,923.23 - Step 6: Final answer
x = 58,087.88
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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.