Finding the Fourth Proportional to 88,725.42, 133,037.91 and 36,072.99
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Solution
The fourth proportional to 88,725.42, 133,037.91 and 36,072.99 is: 54,089.07
Step by Step Solution
- Step 1: Write the proportion equation
88,725.42 : 133,037.91 = 36,072.99 : x - Step 2: Convert to fraction form
88,725.42/133,037.91 = 36,072.99/x - Step 3: Cross multiply
88,725.42x = 133,037.91 × 36,072.99 - Step 4: Simplify right side
88,725.42x = 4,799,075,197.05 - Step 5: Solve for x
x = 4,799,075,197.05/88,725.42 - Step 6: Final answer
x = 54,089.07
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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.