Finding the Fourth Proportional to 80,279.28, 110,787.84 and 44,472.63
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Solution
The fourth proportional to 80,279.28, 110,787.84 and 44,472.63 is: 61,373.58
Step by Step Solution
- Step 1: Write the proportion equation
80,279.28 : 110,787.84 = 44,472.63 : x - Step 2: Convert to fraction form
80,279.28/110,787.84 = 44,472.63/x - Step 3: Cross multiply
80,279.28x = 110,787.84 × 44,472.63 - Step 4: Simplify right side
80,279.28x = 4,927,026,616.82 - Step 5: Solve for x
x = 4,927,026,616.82/80,279.28 - Step 6: Final answer
x = 61,373.58
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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.