Finding the Fourth Proportional to 107,043.03, 160,587.09 and 40,481.70
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Solution
The fourth proportional to 107,043.03, 160,587.09 and 40,481.70 is: 60,731.08
Step by Step Solution
- Step 1: Write the proportion equation
107,043.03 : 160,587.09 = 40,481.70 : x - Step 2: Convert to fraction form
107,043.03/160,587.09 = 40,481.70/x - Step 3: Cross multiply
107,043.03x = 160,587.09 × 40,481.70 - Step 4: Simplify right side
107,043.03x = 6,500,838,401.25 - Step 5: Solve for x
x = 6,500,838,401.25/107,043.03 - Step 6: Final answer
x = 60,731.08
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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.