Finding the Fourth Proportional to 76,698.15, 114,894.05 and 60,929.79
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Solution
The fourth proportional to 76,698.15, 114,894.05 and 60,929.79 is: 91,273.00
Step by Step Solution
- Step 1: Write the proportion equation
76,698.15 : 114,894.05 = 60,929.79 : x - Step 2: Convert to fraction form
76,698.15/114,894.05 = 60,929.79/x - Step 3: Cross multiply
76,698.15x = 114,894.05 × 60,929.79 - Step 4: Simplify right side
76,698.15x = 7,000,470,034.10 - Step 5: Solve for x
x = 7,000,470,034.10/76,698.15 - Step 6: Final answer
x = 91,273.00
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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.