Finding the Fourth Proportional to 125,620.80, 173,354.73 and 69,030.96
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Solution
The fourth proportional to 125,620.80, 173,354.73 and 69,030.96 is: 95,261.64
Step by Step Solution
- Step 1: Write the proportion equation
125,620.80 : 173,354.73 = 69,030.96 : x - Step 2: Convert to fraction form
125,620.80/173,354.73 = 69,030.96/x - Step 3: Cross multiply
125,620.80x = 173,354.73 × 69,030.96 - Step 4: Simplify right side
125,620.80x = 11,966,843,432.44 - Step 5: Solve for x
x = 11,966,843,432.44/125,620.80 - Step 6: Final answer
x = 95,261.64
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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.