Finding the Fourth Proportional to 95,609.20, 143,393.30 and 39,434.74
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Solution
The fourth proportional to 95,609.20, 143,393.30 and 39,434.74 is: 59,143.65
Step by Step Solution
- Step 1: Write the proportion equation
95,609.20 : 143,393.30 = 39,434.74 : x - Step 2: Convert to fraction form
95,609.20/143,393.30 = 39,434.74/x - Step 3: Cross multiply
95,609.20x = 143,393.30 × 39,434.74 - Step 4: Simplify right side
95,609.20x = 5,654,677,503.24 - Step 5: Solve for x
x = 5,654,677,503.24/95,609.20 - Step 6: Final answer
x = 59,143.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.