Finding the Fourth Proportional to 104,932.76, 157,445.62 and 55,000.99
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Solution
The fourth proportional to 104,932.76, 157,445.62 and 55,000.99 is: 82,525.85
Step by Step Solution
- Step 1: Write the proportion equation
104,932.76 : 157,445.62 = 55,000.99 : x - Step 2: Convert to fraction form
104,932.76/157,445.62 = 55,000.99/x - Step 3: Cross multiply
104,932.76x = 157,445.62 × 55,000.99 - Step 4: Simplify right side
104,932.76x = 8,659,664,971.16 - Step 5: Solve for x
x = 8,659,664,971.16/104,932.76 - Step 6: Final answer
x = 82,525.85
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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.