Finding the Fourth Proportional to 75,295.26, 113,083.29 and 66,292.55
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Solution
The fourth proportional to 75,295.26, 113,083.29 and 66,292.55 is: 99,562.44
Step by Step Solution
- Step 1: Write the proportion equation
75,295.26 : 113,083.29 = 66,292.55 : x - Step 2: Convert to fraction form
75,295.26/113,083.29 = 66,292.55/x - Step 3: Cross multiply
75,295.26x = 113,083.29 × 66,292.55 - Step 4: Simplify right side
75,295.26x = 7,496,579,515.14 - Step 5: Solve for x
x = 7,496,579,515.14/75,295.26 - Step 6: Final answer
x = 99,562.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.