Finding the Fourth Proportional to 68,832.14, 103,226.33 and 46,787.18
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Solution
The fourth proportional to 68,832.14, 103,226.33 and 46,787.18 is: 70,165.89
Step by Step Solution
- Step 1: Write the proportion equation
68,832.14 : 103,226.33 = 46,787.18 : x - Step 2: Convert to fraction form
68,832.14/103,226.33 = 46,787.18/x - Step 3: Cross multiply
68,832.14x = 103,226.33 × 46,787.18 - Step 4: Simplify right side
68,832.14x = 4,829,668,132.38 - Step 5: Solve for x
x = 4,829,668,132.38/68,832.14 - Step 6: Final answer
x = 70,165.89
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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.