Finding the Fourth Proportional to 104,930.83, 157,442.62 and 54,998.99
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Solution
The fourth proportional to 104,930.83, 157,442.62 and 54,998.99 is: 82,522.79
Step by Step Solution
- Step 1: Write the proportion equation
104,930.83 : 157,442.62 = 54,998.99 : x - Step 2: Convert to fraction form
104,930.83/157,442.62 = 54,998.99/x - Step 3: Cross multiply
104,930.83x = 157,442.62 × 54,998.99 - Step 4: Simplify right side
104,930.83x = 8,659,184,158.24 - Step 5: Solve for x
x = 8,659,184,158.24/104,930.83 - Step 6: Final answer
x = 82,522.79
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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.