Finding the Fourth Proportional to 76,423.76, 114,427.87 and 44,787.19
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Solution
The fourth proportional to 76,423.76, 114,427.87 and 44,787.19 is: 67,059.02
Step by Step Solution
- Step 1: Write the proportion equation
76,423.76 : 114,427.87 = 44,787.19 : x - Step 2: Convert to fraction form
76,423.76/114,427.87 = 44,787.19/x - Step 3: Cross multiply
76,423.76x = 114,427.87 × 44,787.19 - Step 4: Simplify right side
76,423.76x = 5,124,902,754.99 - Step 5: Solve for x
x = 5,124,902,754.99/76,423.76 - Step 6: Final answer
x = 67,059.02
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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.