Finding the Fourth Proportional to 76,116.14, 114,138.21 and 22,787.53
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Solution
The fourth proportional to 76,116.14, 114,138.21 and 22,787.53 is: 34,170.52
Step by Step Solution
- Step 1: Write the proportion equation
76,116.14 : 114,138.21 = 22,787.53 : x - Step 2: Convert to fraction form
76,116.14/114,138.21 = 22,787.53/x - Step 3: Cross multiply
76,116.14x = 114,138.21 × 22,787.53 - Step 4: Simplify right side
76,116.14x = 2,600,927,684.63 - Step 5: Solve for x
x = 2,600,927,684.63/76,116.14 - Step 6: Final answer
x = 34,170.52
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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.