Finding the Fourth Proportional to 125,847.76, 173,669.94 and 69,257.92
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Solution
The fourth proportional to 125,847.76, 173,669.94 and 69,257.92 is: 95,575.95
Step by Step Solution
- Step 1: Write the proportion equation
125,847.76 : 173,669.94 = 69,257.92 : x - Step 2: Convert to fraction form
125,847.76/173,669.94 = 69,257.92/x - Step 3: Cross multiply
125,847.76x = 173,669.94 × 69,257.92 - Step 4: Simplify right side
125,847.76x = 12,028,018,810.92 - Step 5: Solve for x
x = 12,028,018,810.92/125,847.76 - Step 6: Final answer
x = 95,575.95
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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.