Finding the Fourth Proportional to 125,587.74, 173,311.58 and 71,873.66
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Solution
The fourth proportional to 125,587.74, 173,311.58 and 71,873.66 is: 99,185.94
Step by Step Solution
- Step 1: Write the proportion equation
125,587.74 : 173,311.58 = 71,873.66 : x - Step 2: Convert to fraction form
125,587.74/173,311.58 = 71,873.66/x - Step 3: Cross multiply
125,587.74x = 173,311.58 × 71,873.66 - Step 4: Simplify right side
125,587.74x = 12,456,537,574.98 - Step 5: Solve for x
x = 12,456,537,574.98/125,587.74 - Step 6: Final answer
x = 99,185.94
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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.