Finding the Fourth Proportional to 106,285.75, 146,680.99 and 58,539.08
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Solution
The fourth proportional to 106,285.75, 146,680.99 and 58,539.08 is: 80,787.60
Step by Step Solution
- Step 1: Write the proportion equation
106,285.75 : 146,680.99 = 58,539.08 : x - Step 2: Convert to fraction form
106,285.75/146,680.99 = 58,539.08/x - Step 3: Cross multiply
106,285.75x = 146,680.99 × 58,539.08 - Step 4: Simplify right side
106,285.75x = 8,586,570,428.44 - Step 5: Solve for x
x = 8,586,570,428.44/106,285.75 - Step 6: Final answer
x = 80,787.60
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1.5x scale
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.