Finding the Fourth Proportional to 73,012.68, 100,758.42 and 41,178.60
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Solution
The fourth proportional to 73,012.68, 100,758.42 and 41,178.60 is: 56,826.99
Step by Step Solution
- Step 1: Write the proportion equation
73,012.68 : 100,758.42 = 41,178.60 : x - Step 2: Convert to fraction form
73,012.68/100,758.42 = 41,178.60/x - Step 3: Cross multiply
73,012.68x = 100,758.42 × 41,178.60 - Step 4: Simplify right side
73,012.68x = 4,149,090,673.81 - Step 5: Solve for x
x = 4,149,090,673.81/73,012.68 - Step 6: Final answer
x = 56,826.99
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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.