Finding the Fourth Proportional to 73,122.04, 100,906.61 and 40,854.68
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Solution
The fourth proportional to 73,122.04, 100,906.61 and 40,854.68 is: 56,378.45
Step by Step Solution
- Step 1: Write the proportion equation
73,122.04 : 100,906.61 = 40,854.68 : x - Step 2: Convert to fraction form
73,122.04/100,906.61 = 40,854.68/x - Step 3: Cross multiply
73,122.04x = 100,906.61 × 40,854.68 - Step 4: Simplify right side
73,122.04x = 4,122,507,160.84 - Step 5: Solve for x
x = 4,122,507,160.84/73,122.04 - Step 6: Final answer
x = 56,378.45
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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.