Finding the Fourth Proportional to 79,023.37, 118,473.44 and 53,655.99
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Solution
The fourth proportional to 79,023.37, 118,473.44 and 53,655.99 is: 80,442.15
Step by Step Solution
- Step 1: Write the proportion equation
79,023.37 : 118,473.44 = 53,655.99 : x - Step 2: Convert to fraction form
79,023.37/118,473.44 = 53,655.99/x - Step 3: Cross multiply
79,023.37x = 118,473.44 × 53,655.99 - Step 4: Simplify right side
79,023.37x = 6,356,809,998.97 - Step 5: Solve for x
x = 6,356,809,998.97/79,023.37 - Step 6: Final answer
x = 80,442.15
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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.