Finding the Fourth Proportional to 73,133.96, 100,923.86 and 40,869.24
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Solution
The fourth proportional to 73,133.96, 100,923.86 and 40,869.24 is: 56,398.99
Step by Step Solution
- Step 1: Write the proportion equation
73,133.96 : 100,923.86 = 40,869.24 : x - Step 2: Convert to fraction form
73,133.96/100,923.86 = 40,869.24/x - Step 3: Cross multiply
73,133.96x = 100,923.86 × 40,869.24 - Step 4: Simplify right side
73,133.96x = 4,124,681,456.07 - Step 5: Solve for x
x = 4,124,681,456.07/73,133.96 - Step 6: Final answer
x = 56,398.99
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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.