Finding the Fourth Proportional to 68,916.21, 103,378.20 and 24,542.96
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Solution
The fourth proportional to 68,916.21, 103,378.20 and 24,542.96 is: 36,815.82
Step by Step Solution
- Step 1: Write the proportion equation
68,916.21 : 103,378.20 = 24,542.96 : x - Step 2: Convert to fraction form
68,916.21/103,378.20 = 24,542.96/x - Step 3: Cross multiply
68,916.21x = 103,378.20 × 24,542.96 - Step 4: Simplify right side
68,916.21x = 2,537,206,510.58 - Step 5: Solve for x
x = 2,537,206,510.58/68,916.21 - Step 6: Final answer
x = 36,815.82
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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.