Finding the Fourth Proportional to 83,596.73, 115,363.47 and 47,787.54
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Solution
The fourth proportional to 83,596.73, 115,363.47 and 47,787.54 is: 65,946.80
Step by Step Solution
- Step 1: Write the proportion equation
83,596.73 : 115,363.47 = 47,787.54 : x - Step 2: Convert to fraction form
83,596.73/115,363.47 = 47,787.54/x - Step 3: Cross multiply
83,596.73x = 115,363.47 × 47,787.54 - Step 4: Simplify right side
83,596.73x = 5,512,936,183.75 - Step 5: Solve for x
x = 5,512,936,183.75/83,596.73 - Step 6: Final answer
x = 65,946.80
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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.