Finding the Fourth Proportional to 73,887.68, 101,964.84 and 40,353.68
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Solution
The fourth proportional to 73,887.68, 101,964.84 and 40,353.68 is: 55,687.99
Step by Step Solution
- Step 1: Write the proportion equation
73,887.68 : 101,964.84 = 40,353.68 : x - Step 2: Convert to fraction form
73,887.68/101,964.84 = 40,353.68/x - Step 3: Cross multiply
73,887.68x = 101,964.84 × 40,353.68 - Step 4: Simplify right side
73,887.68x = 4,114,656,524.61 - Step 5: Solve for x
x = 4,114,656,524.61/73,887.68 - Step 6: Final answer
x = 55,687.99
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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.