Finding the Fourth Proportional to 83,732.76, 125,623.08 and 33,787.08
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Solution
The fourth proportional to 83,732.76, 125,623.08 and 33,787.08 is: 50,690.28
Step by Step Solution
- Step 1: Write the proportion equation
83,732.76 : 125,623.08 = 33,787.08 : x - Step 2: Convert to fraction form
83,732.76/125,623.08 = 33,787.08/x - Step 3: Cross multiply
83,732.76x = 125,623.08 × 33,787.08 - Step 4: Simplify right side
83,732.76x = 4,244,437,053.81 - Step 5: Solve for x
x = 4,244,437,053.81/83,732.76 - Step 6: Final answer
x = 50,690.28
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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.