Finding the Fourth Proportional to 125,840.64, 173,660.10 and 69,252.01
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Solution
The fourth proportional to 125,840.64, 173,660.10 and 69,252.01 is: 95,567.79
Step by Step Solution
- Step 1: Write the proportion equation
125,840.64 : 173,660.10 = 69,252.01 : x - Step 2: Convert to fraction form
125,840.64/173,660.10 = 69,252.01/x - Step 3: Cross multiply
125,840.64x = 173,660.10 × 69,252.01 - Step 4: Simplify right side
125,840.64x = 12,026,311,589.08 - Step 5: Solve for x
x = 12,026,311,589.08/125,840.64 - Step 6: Final answer
x = 95,567.79
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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.