Finding the Fourth Proportional to 75,757.26, 104,542.05 and 45,559.59
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Solution
The fourth proportional to 75,757.26, 104,542.05 and 45,559.59 is: 62,870.45
Step by Step Solution
- Step 1: Write the proportion equation
75,757.26 : 104,542.05 = 45,559.59 : x - Step 2: Convert to fraction form
75,757.26/104,542.05 = 45,559.59/x - Step 3: Cross multiply
75,757.26x = 104,542.05 × 45,559.59 - Step 4: Simplify right side
75,757.26x = 4,762,892,935.76 - Step 5: Solve for x
x = 4,762,892,935.76/75,757.26 - Step 6: Final answer
x = 62,870.45
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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.