Finding the Fourth Proportional to 88,965.97, 133,363.21 and 32,775.36
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Solution
The fourth proportional to 88,965.97, 133,363.21 and 32,775.36 is: 49,131.45
Step by Step Solution
- Step 1: Write the proportion equation
88,965.97 : 133,363.21 = 32,775.36 : x - Step 2: Convert to fraction form
88,965.97/133,363.21 = 32,775.36/x - Step 3: Cross multiply
88,965.97x = 133,363.21 × 32,775.36 - Step 4: Simplify right side
88,965.97x = 4,371,027,218.51 - Step 5: Solve for x
x = 4,371,027,218.51/88,965.97 - Step 6: Final answer
x = 49,131.45
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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.