Finding the Fourth Proportional to 88,134.21, 121,625.21 and 47,847.92
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Solution
The fourth proportional to 88,134.21, 121,625.21 and 47,847.92 is: 66,030.12
Step by Step Solution
- Step 1: Write the proportion equation
88,134.21 : 121,625.21 = 47,847.92 : x - Step 2: Convert to fraction form
88,134.21/121,625.21 = 47,847.92/x - Step 3: Cross multiply
88,134.21x = 121,625.21 × 47,847.92 - Step 4: Simplify right side
88,134.21x = 5,819,512,829.56 - Step 5: Solve for x
x = 5,819,512,829.56/88,134.21 - Step 6: Final answer
x = 66,030.12
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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.