Finding the Fourth Proportional to 88,709.63, 133,025.56 and 33,266.75
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Solution
The fourth proportional to 88,709.63, 133,025.56 and 33,266.75 is: 49,885.54
Step by Step Solution
- Step 1: Write the proportion equation
88,709.63 : 133,025.56 = 33,266.75 : x - Step 2: Convert to fraction form
88,709.63/133,025.56 = 33,266.75/x - Step 3: Cross multiply
88,709.63x = 133,025.56 × 33,266.75 - Step 4: Simplify right side
88,709.63x = 4,425,328,048.13 - Step 5: Solve for x
x = 4,425,328,048.13/88,709.63 - Step 6: Final answer
x = 49,885.54
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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.