Finding the Fourth Proportional to 81,724.99, 122,594.54 and 22,560.67
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Solution
The fourth proportional to 81,724.99, 122,594.54 and 22,560.67 is: 33,842.95
Step by Step Solution
- Step 1: Write the proportion equation
81,724.99 : 122,594.54 = 22,560.67 : x - Step 2: Convert to fraction form
81,724.99/122,594.54 = 22,560.67/x - Step 3: Cross multiply
81,724.99x = 122,594.54 × 22,560.67 - Step 4: Simplify right side
81,724.99x = 2,765,814,960.74 - Step 5: Solve for x
x = 2,765,814,960.74/81,724.99 - Step 6: Final answer
x = 33,842.95
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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.