Finding the Fourth Proportional to 92,877.62, 128,169.99 and 50,436.46
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Solution
The fourth proportional to 92,877.62, 128,169.99 and 50,436.46 is: 69,601.70
Step by Step Solution
- Step 1: Write the proportion equation
92,877.62 : 128,169.99 = 50,436.46 : x - Step 2: Convert to fraction form
92,877.62/128,169.99 = 50,436.46/x - Step 3: Cross multiply
92,877.62x = 128,169.99 × 50,436.46 - Step 4: Simplify right side
92,877.62x = 6,464,440,253.41 - Step 5: Solve for x
x = 6,464,440,253.41/92,877.62 - Step 6: Final answer
x = 69,601.70
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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.