Finding the Fourth Proportional to 94,787.48, 142,194.18 and 42,195.80
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Solution
The fourth proportional to 94,787.48, 142,194.18 and 42,195.80 is: 63,299.47
Step by Step Solution
- Step 1: Write the proportion equation
94,787.48 : 142,194.18 = 42,195.80 : x - Step 2: Convert to fraction form
94,787.48/142,194.18 = 42,195.80/x - Step 3: Cross multiply
94,787.48x = 142,194.18 × 42,195.80 - Step 4: Simplify right side
94,787.48x = 5,999,997,180.44 - Step 5: Solve for x
x = 5,999,997,180.44/94,787.48 - Step 6: Final answer
x = 63,299.47
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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.