Finding the Fourth Proportional to 125,582.76, 173,303.70 and 68,221.80
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Solution
The fourth proportional to 125,582.76, 173,303.70 and 68,221.80 is: 94,145.81
Step by Step Solution
- Step 1: Write the proportion equation
125,582.76 : 173,303.70 = 68,221.80 : x - Step 2: Convert to fraction form
125,582.76/173,303.70 = 68,221.80/x - Step 3: Cross multiply
125,582.76x = 173,303.70 × 68,221.80 - Step 4: Simplify right side
125,582.76x = 11,823,090,360.66 - Step 5: Solve for x
x = 11,823,090,360.66/125,582.76 - Step 6: Final answer
x = 94,145.81
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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.