Finding the Fourth Proportional to 68,557.43, 102,846.95 and 29,114.75
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Solution
The fourth proportional to 68,557.43, 102,846.95 and 29,114.75 is: 43,676.71
Step by Step Solution
- Step 1: Write the proportion equation
68,557.43 : 102,846.95 = 29,114.75 : x - Step 2: Convert to fraction form
68,557.43/102,846.95 = 29,114.75/x - Step 3: Cross multiply
68,557.43x = 102,846.95 × 29,114.75 - Step 4: Simplify right side
68,557.43x = 2,994,363,237.51 - Step 5: Solve for x
x = 2,994,363,237.51/68,557.43 - Step 6: Final answer
x = 43,676.71
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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.