Finding the Fourth Proportional to 125,631.74, 173,383.99 and 71,924.42
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Solution
The fourth proportional to 125,631.74, 173,383.99 and 71,924.42 is: 99,262.67
Step by Step Solution
- Step 1: Write the proportion equation
125,631.74 : 173,383.99 = 71,924.42 : x - Step 2: Convert to fraction form
125,631.74/173,383.99 = 71,924.42/x - Step 3: Cross multiply
125,631.74x = 173,383.99 × 71,924.42 - Step 4: Simplify right side
125,631.74x = 12,470,541,871.30 - Step 5: Solve for x
x = 12,470,541,871.30/125,631.74 - Step 6: Final answer
x = 99,262.67
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1.5x scale
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.