Finding the Fourth Proportional to 75,854.93, 104,658.23 and 45,625.13
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Solution
The fourth proportional to 75,854.93, 104,658.23 and 45,625.13 is: 62,949.70
Step by Step Solution
- Step 1: Write the proportion equation
75,854.93 : 104,658.23 = 45,625.13 : x - Step 2: Convert to fraction form
75,854.93/104,658.23 = 45,625.13/x - Step 3: Cross multiply
75,854.93x = 104,658.23 × 45,625.13 - Step 4: Simplify right side
75,854.93x = 4,775,045,121.19 - Step 5: Solve for x
x = 4,775,045,121.19/75,854.93 - Step 6: Final answer
x = 62,949.70
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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.