Finding the Fourth Proportional to 88,394.94, 121,983.75 and 48,650.94
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Solution
The fourth proportional to 88,394.94, 121,983.75 and 48,650.94 is: 67,137.60
Step by Step Solution
- Step 1: Write the proportion equation
88,394.94 : 121,983.75 = 48,650.94 : x - Step 2: Convert to fraction form
88,394.94/121,983.75 = 48,650.94/x - Step 3: Cross multiply
88,394.94x = 121,983.75 × 48,650.94 - Step 4: Simplify right side
88,394.94x = 5,934,624,102.23 - Step 5: Solve for x
x = 5,934,624,102.23/88,394.94 - Step 6: Final answer
x = 67,137.60
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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.