Finding the Fourth Proportional to 125,644.76, 173,389.86 and 69,056.12
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Solution
The fourth proportional to 125,644.76, 173,389.86 and 69,056.12 is: 95,297.50
Step by Step Solution
- Step 1: Write the proportion equation
125,644.76 : 173,389.86 = 69,056.12 : x - Step 2: Convert to fraction form
125,644.76/173,389.86 = 69,056.12/x - Step 3: Cross multiply
125,644.76x = 173,389.86 × 69,056.12 - Step 4: Simplify right side
125,644.76x = 11,973,630,978.94 - Step 5: Solve for x
x = 11,973,630,978.94/125,644.76 - Step 6: Final answer
x = 95,297.50
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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.