Finding the Fourth Proportional to 88,227.75, 121,754.30 and 48,483.75
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Solution
The fourth proportional to 88,227.75, 121,754.30 and 48,483.75 is: 66,907.58
Step by Step Solution
- Step 1: Write the proportion equation
88,227.75 : 121,754.30 = 48,483.75 : x - Step 2: Convert to fraction form
88,227.75/121,754.30 = 48,483.75/x - Step 3: Cross multiply
88,227.75x = 121,754.30 × 48,483.75 - Step 4: Simplify right side
88,227.75x = 5,903,104,800.21 - Step 5: Solve for x
x = 5,903,104,800.21/88,227.75 - Step 6: Final answer
x = 66,907.58
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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.