Finding the Fourth Proportional to 75,317.68, 103,941.44 and 45,096.99
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Solution
The fourth proportional to 75,317.68, 103,941.44 and 45,096.99 is: 62,235.67
Step by Step Solution
- Step 1: Write the proportion equation
75,317.68 : 103,941.44 = 45,096.99 : x - Step 2: Convert to fraction form
75,317.68/103,941.44 = 45,096.99/x - Step 3: Cross multiply
75,317.68x = 103,941.44 × 45,096.99 - Step 4: Simplify right side
75,317.68x = 4,687,446,080.27 - Step 5: Solve for x
x = 4,687,446,080.27/75,317.68 - Step 6: Final answer
x = 62,235.67
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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.