Finding the Fourth Proportional to 73,681.62, 110,549.70 and 44,120.13
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Solution
The fourth proportional to 73,681.62, 110,549.70 and 44,120.13 is: 66,196.52
Step by Step Solution
- Step 1: Write the proportion equation
73,681.62 : 110,549.70 = 44,120.13 : x - Step 2: Convert to fraction form
73,681.62/110,549.70 = 44,120.13/x - Step 3: Cross multiply
73,681.62x = 110,549.70 × 44,120.13 - Step 4: Simplify right side
73,681.62x = 4,877,467,135.46 - Step 5: Solve for x
x = 4,877,467,135.46/73,681.62 - Step 6: Final answer
x = 66,196.52
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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.