Finding the Fourth Proportional to 94,385.25, 130,230.18 and 68,905.49
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Solution
The fourth proportional to 94,385.25, 130,230.18 and 68,905.49 is: 95,073.90
Step by Step Solution
- Step 1: Write the proportion equation
94,385.25 : 130,230.18 = 68,905.49 : x - Step 2: Convert to fraction form
94,385.25/130,230.18 = 68,905.49/x - Step 3: Cross multiply
94,385.25x = 130,230.18 × 68,905.49 - Step 4: Simplify right side
94,385.25x = 8,973,573,714.54 - Step 5: Solve for x
x = 8,973,573,714.54/94,385.25 - Step 6: Final answer
x = 95,073.90
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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.