Finding the Fourth Proportional to 75,318.68, 103,942.82 and 45,097.99
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Solution
The fourth proportional to 75,318.68, 103,942.82 and 45,097.99 is: 62,237.05
Step by Step Solution
- Step 1: Write the proportion equation
75,318.68 : 103,942.82 = 45,097.99 : x - Step 2: Convert to fraction form
75,318.68/103,942.82 = 45,097.99/x - Step 3: Cross multiply
75,318.68x = 103,942.82 × 45,097.99 - Step 4: Simplify right side
75,318.68x = 4,687,612,256.93 - Step 5: Solve for x
x = 4,687,612,256.93/75,318.68 - Step 6: Final answer
x = 62,237.05
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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.