Finding the Fourth Proportional to 94,110.14, 129,872.21 and 51,671.40
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Solution
The fourth proportional to 94,110.14, 129,872.21 and 51,671.40 is: 71,306.65
Step by Step Solution
- Step 1: Write the proportion equation
94,110.14 : 129,872.21 = 51,671.40 : x - Step 2: Convert to fraction form
94,110.14/129,872.21 = 51,671.40/x - Step 3: Cross multiply
94,110.14x = 129,872.21 × 51,671.40 - Step 4: Simplify right side
94,110.14x = 6,710,678,653.44 - Step 5: Solve for x
x = 6,710,678,653.44/94,110.14 - Step 6: Final answer
x = 71,306.65
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1.5x scale
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.